People who say "Donkey Kong's redesign is erasing Rare's legacy" - aside from signifying the weird persecution complex a lot of Nintendo-era Rare fans have - clearly do not understand "primordial" Donkey Kong history. Rare contributed a LOT more to DK than simply "being a hero" and "having tiny eyes", the modern
idea of DK, not just the specific character portrayals, are built off of Rare just as much as they are 80s Nintendo. Even Jungle Beat has massive Rare DNA oozing off of it.
Although perhaps a bit obvious for a cartoon gorilla, bananas and living in the jungle, both recurring traits of DK in Mario games even when he's a villain, only had minor prescedent before Rare. Typically early DK was portayed as a zoo or circus animal.
Donkey Kong Jr. opens with a jungle stage, but nowhere is it explicitly stated to be the home of the kongs. Bananas are just one of many fruit and have no real special priveledge or point bonus. The rest of the game is industrial themed.
The Donkey Kong Junior cereal featured banana shapes, but in marketing placed them behind apple shapes, signifying apples as a more significant fruit. The commercial for said cereal
(epilepsy warning) shows the jungle as a place DK Jr. likes to be in at least, but never explicitly states it to be his home. The non-Jr. Donkey Kong cereal didn't feature banana flavors whatsoever.
The closest implication to DK living in a jungle is this visual pun in a Coleco tabletop commercial, featuring an ape which is quite directly implied to not be DK, and even the "take Donkey Kong home" gag seems to line up with the lore of him being a zoo or circus animal.
Some marketing for DK Jr. portrayed the jungle environment not as a jungle, but an urban environment decorated with a jungle theme
The Game & Watch version of DK Jr. does not translate the banana as the sole fruit, but instead the apple
The title "kong" - both as a species and surname/honorific - is also a Rare creation. All monkeys before DKC were treated as monkeys, and had normal names instead of "descriptive adjective Kong"
Sonny is a character in the Saturday Supercade episode "Hairy Parent." He is a resident of Safari Land who wishes to see his "Momma." Sonny first appears at the beginning of the episode, where he crashes into Donkey Kong while he is about to find...
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Momma, or Sonny's Momma, is a character in the Saturday Supercade episode "Hairy Parent." She is an anthropomorphic ape resident of Africa who has deep affection for her son, Sonny. Momma first appears near the middle of the episode, where she is...
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Clovis is an orangutan co-star appearing in the Saturday Supercade episode "Movie Mania." His name is a reference to American singer and actor Elvis Presley. He first appears in Golden Studios, where Flint Westwood fires him and replaces him with...
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Additionally, the pre-DKC jungles are just very different from the post-DKC jungles, they have less civilised elements - the DK Jr. cereal jungle is more cartoonish - akin to a dentist office wallpaper, with very blue skies and very green grass - and the Coleco Tabletop jungle is darker than any non-ominous DKC jungle ever seen, while DKC implemented minor tribal elements and a more grounded atmosphere between those two extremes, things that have never been detached from DK, even in the awkward period where DK was showing up in Nintendo games but not any other DKC elements, the DK jungles were clearly based on DKC's jungles in style, and not any prior Mario jungles or the DK merchandising jungles, even if not any specific iconography.
Even if we want to cherry-pick, the grassy jungles in DKC Returns use darker colours and have less vibrant plant life than the DK Jr. cereal commercial, while - again - being brighter, and still having less vibrant plant life, than the Coleco Handheld jungle.
Also: Diddy, Cranky, and Dixie are all confirmed to appear on the calendar. They're not going anywhere.
EDIT: Another thing about the DK redesign. I have a feeling the "Cranky is old DK" thing is long dead, which I don't mind. It was always a funny piece of lore, neat trivia to throw out to casual/non-fans, but has worn out its practical purpose decades ago given that the comedy in Nintendo's DK games is based more on silent slapstick compared to the somewhat non-replicable combo of 90s 4th wall breaks and British self-deprecation
EDIT 2: And even if all of that was untrue and DK was reverted to a girder ape and nothing else... Nintendo have no obligation to uphold Rare's legacy. It's a random company they partnered with in the 90s, and then naturally split up - they have as much obligation to preserve Rare's design descisions as they have to preserve their former partnership with Rockstar through using Kid Kirby, Rare is not particularly special in the grander Nintendo timeline - the many companies Nintendo partnered with for hardware arguably had a way more significant impact, to the point of effecting
every game, and nobody would get mad if Nintendo blurred the ATI sitcker on a GameCube photo.