Apparently Is http://englishqna.blogspot.com violating EL&U (or YOUR) copyright? was successful. Enough of us were prompted to file DMCA complaints with Google, and that "scraper" website was closed down.
But I'm now finding that if I Google search terms from past ELU questions, I keep getting hits from another scraper site...
What would be an appropriate opposite of “exceed”? reappears at
Why do we invert word order when asking a question? reappears at
What exactly is an “adverb”? reappears at
That last one was a question of mine, so it's definitely a violation of my copyright. I'll probably face a long slog to get satisfaction if no-one else here complains, so I'm hoping others will pitch in too.
If you use Google you'll probably find your own violations easily enough with...
I assume if ELU habitually responds robustly and in numbers to such sites, the Google Complaints Team will soon get into the habit of dealing with them promptly, and giving us credibility/priority in future. So it's worth making a bit of effort now to avoid things getting worse later.
If you just want to post answers/comments about scraper sites in general I think maybe you should do it on the original question - but it's up to you, obviously.