There is a lot of nuance in a profile photo.
Like, it’s clear to me that someone on an executive/salesy biz dev brand will probably present best with a professional studio headshot in a suit. That’s the look. But then someone who is being hired to say, code, that same choice may give off the wrong vibe.
Reason why I’m pointing it out is that on LI folks will over-compensate. You’ll see kids presenting themselves with magazine cover headshots that sort of thing.
So yeah, conformity matters - but it’s very context specific and nuanced. It’s worth asking the question who is looking at this and what should they think at first glance? What are the values?