Wimkin continues to be a meat market, I see. Shame. I was hopeful that it would be a viable Facebook alternative, but it hasn't turned out that way, at least not in my experience thus far.
The site has no way of stopping this invasion. Just block the scammers and want-to-be daters etc. Its easy to do, just click the 3 dots to the right side of their text, OR go to their profile page and block from there