Competitor stole and copied an article from my site

I just noticed somebody made a free WordPress blog on my niche and completely copied my whole article and switched the sale page to his instead of mine.

Could this have been a reason my domain was deindexed with a manual action too? I'm wondering how I could prevent this and report his free WordPress property. Because that's really not cool to steal other people's work.

Could people really do that nowadays, like copy and paste somebody else's article from their official branded blog on to…

Competitor stole and copied an article from my site