I don't know how someone reading the list would understand that "fish ... gets rid of some of the dumb things [what things?] required for a POSIX-compatible [?]

I don't know how someone reading the list would understand that "fish ... gets rid of some of the dumb things [what things?] required for a POSIX-compatible [?] shell, but [others] prefer zsh because it has every feature [what features?] and the kitchen sink." For example, I didn't realize "smart" in the list's vernacular means "deprecates dumb legacy behaviour". Your post is the first time that became obvious to me. Now to figure out what that behaviour is and why I should care and if it impacts performance and and and... My post wasn't asking the curator to make decisions for me, it was asking them to help me make decisions.