Suggestion for plan to remake the animations for the mobs that need them

Animations are one of the most important parts of Minecraft, making the game feel smoother and more alive. But re-animating almost every mob at once would probably be too much for Mojang, so I think each update should focus on only a few mobs. Mobs with visible armor or tools, like Zombie and Vindicator, should be left out. Most of these mobs would mainly need better idle animations and smoother movement. Here is my idea for a gradual animation update plan: