Because classic Scheme (or Racket) courses based on SICP are too complicated by new-normal (punk) standards.) Show me a sane person who succeeded to grasp thes

Because classic Scheme (or Racket) courses based on SICP are too complicated by new-normal (punk) standards.) Show me a sane person who succeeded to grasp these few big ideas behind SICP after Berkeley CS61A or another similar Scheme or Racket course, who had any regret for spent time and effort?) btw, AIMA and PAIP are much better in CL than in Python.)