I think the key is to get past the "mediocre/o.k." skill level . The problem with going deep is picking the right discipline. Since you may pick wrong initiall

I think the key is to get past the "mediocre/o.k." skill level . The problem with going deep is picking the right discipline. Since you may pick wrong initially, going broad first allows a chance to pivot to a different skill to go deep on. The first skill is the ability to learn in a fast organized manner.