I typically find lucio works in a wide variety of comps sure the most people can get speed in a rush comp yet even if you are spread apart lucio is one of the hero’s that can easily close the distance and take out weak targets. His own mobility makes him perfect for almost any team and having boop easily can set up kills in comps that even focus on bastion
His kit is just so versatile that you can play him in a wide variety of ways. I can even run Reddit lucio which is insanely fun and rewarding once you put in enough time.
It’s actually typically better to really mix up your playstyle with lucio mid match and constantly try new things out