Is edge cases (2026 edition)

Quick context: I am relatively new to this and trying to find my footing. Maybe an unpopular opinion but here we go.

This came up at a meetup recently and the room was split, so curious what the broader community thinks.

Looking for honest feedback, not validation. There is a lot of conflicting advice online and most of it is from 2019. This came up at a meetup recently and the room was split, so curious what the broader community thinks.