Band aid, yes.
The only thing that will change behaviour is consequences. I don't verbally abuse people face to face because there is a non zero chance of being punched. I am almost entirely liberated from consequences in the online world.
Online I can't see the person I'm abusing, I don't see their pain, I have zero chance of empathising with them.
Even verified accounts wont help, if there are no consequences to me abusing someone. The next best thing is to hellban. (in my opinion.)
The problem is, doing that at scale is exceptionally hard.