Worst unpopular opinions that nobody talks about

Not sure if this is the right place to ask, mods please remove if it is not. This came up at a meetup recently and the room was split, so curious what the broader community thinks.

This came up at a meetup recently and the room was split, so curious what the broader community thinks. The trade-offs here are not obvious to me and I keep flip-flopping.

I want to write something more comprehensive about this later but starting with a quick post to gather thoughts.