I agree with you that writing readable and aesthetically pleasing code is more art than science (that can be expressed with deterministic rules), I still find some of the rules and rule-checkers beneficial (though I dislike strict formatters).
As such, 80 is as good a limit as any, and makes you think carefully about avoiding deep nesting of blocks, which is usually a good idea anyway. It also allows putting many windows side-by-side on a modern big 4k screen.
As such, 80 is as good a limit as any, and makes you think carefully about avoiding deep nesting of blocks, which is usually a good idea anyway. It also allows putting many windows side-by-side on a modern big 4k screen.