In my 20s I would have completely agreed with you. Now in my 50s, these toys don't seem quite as attractive. What I crave now is understanding. Being able to ge

In my 20s I would have completely agreed with you. Now in my 50s, these toys don't seem quite as attractive. What I crave now is understanding. Being able to get a whole day without distraction to understand an algorithm or a theorem is vastly more valuable to me.