I don’t mind having the levels being a personal reference. I find absolutely no point to them whatsoever other than making people salty, considering they cannot play well against higher levels. (Which is understandable, obviously.)
All the no-life level shaming is so dumb and unnecessary. On the higher end, a lot of long-term players get heckled constantly just for playing the game for as long as they have. Most people make the argument that skill has nothing to do with the level count, so considering that levels essentially mean nothing more than amount of time played, why are they in the game anyway?
There is also the argument that you should know what levels you are playing with, but why? Especially when it comes to games like Dirty Bomb, you can tell a new player from a seasoned veteran from a mile away.
At least in my eyes, the cons outweigh the pros here.