I'd be interested in the source for this. I can see Walt having to relearn the newer Mickey style, kids only know the movies from the past 5 years anyway, but I

I'd be interested in the source for this. I can see Walt having to relearn the newer Mickey style, kids only know the movies from the past 5 years anyway, but I'm pretty sure he drew the original ones. There's a lot of evidence for Ub Iwerks's really making the Disney empire's early important innovations happen in terms of animation but it wasn't like Walt was talentless at drawing.