Honestly, I don't think this is too big of a problem. I fear restricting class freedom would just cause
more problems. For example, whoever grabs gunner
first gets to keep it? Problematic already. The best weapon we have against poor crew composition and loadouts is good communication and teaching.
NEVER allow a second gunner to join a running match.
I'd be happier with just
this. I hate it when I go from a relatively effecient AI engineer to a second human gunner.
As it is now, Chaos Skirmish quite often needs double gunners, and requiring the random pilots to create those very specific Chaos loadouts and then send them to their crew mates would add even
more time to the lobby setup. And because I'm Lord Nub I personally run double gunner on my Dunes Mobula with great efficacy.