I think some of those rules are in the category of 'big sins' that can derail a story entirely, like infodumps, telling vs showing, poor hooks, slow/uneven pacing, etc. Others are in the category of 'little sins', like dialogue tags, passive voice, italics, etc.

In the end, we need to write words to tell a story, and even our day to day lives are full of little sins. I'd much prefer to read a good story scattered with little sins than a bad story that's sinless and guilt free.

Ok, my metaphors are going off the rails a bit, but sometimes I feel we don't spend enough time determining how a really good story is constructed and what makes them good and just end up drowning in minutiae and mechanics.