we're well aware, it's a very challenging problem that we're working on. It's the kind of thing that one day it's a big problem, and the next day it's gone, and in the meantime there's little you can do but wait for the larger solution. I'm attacked constantly on my profile, it's very annoying.
with all due respect, there are plenty of solutions to limit/suppress spam on this site. The real problem is no one actually took any measures, since this issue has been going on for Years.
You want a simple, yet radical solution? Stop allowing gmail and other easily disposable addresses at account creation. I'm a dev myself, I know it's not that hard to do.