At work, we have rule that code must be understandable at 4 a.m. under stress. The function size is irrelevant as long as it performs its task and is comprehensible under pressure. Also, I found 'Clean Code' condescending and couldn't get past the first chapter.

don’t use linux on desktop

People who never drove a car cannot build a good car.
Trivially simple, almost always ignored when building software.