Is there a way to deal with idiot DPS without getting blacklisted?

I suppose it really comes down to just how much it matters whether they listen or not.

Sometimes, I can understand that there may be people who are so disruptive to a group that it isn’t worth continuing with them. However, if the numbers are the vast majority of the players one is coming across (such as 2 our of 3 suggests), then it’s questionable where the problem lies.

I put together a Classic warrior tanking guide a while back, that explicitly addresses dealing with this issue, and it may be of some use for your consideration: