Help me decide between beginner mistakes worth the hype? [v2]

The trade-offs here are not obvious to me and I keep flip-flopping. Maybe an unpopular opinion but here we go.

Looking for honest feedback, not validation. I want to write something more comprehensive about this later but starting with a quick post to gather thoughts.

This came up at a meetup recently and the room was split, so curious what the broader community thinks. Been thinking about this for a while and curious what the community thinks.