I agree with you in part; there are at least a few entries in the list which would be better described as "pitfalls" than as "mistakes". But "subjective" does n

I agree with you in part; there are at least a few entries in the list which would be better described as "pitfalls" than as "mistakes". But "subjective" does not describe every entry in the list; there's absolutely no reason not to lint, test, and profile a production application.