What do you think about buying links on sites with black and gray niches?

I'm talking about placing links to your site in donors who sell articles and links to sites from black and gray niches. Black and gray niches: casinos, betting, pyramids, essays, po etc. I'm not talking about posting on the same pages as these black sites. Or if the donor has traffic from Google for a long time, then Google considers it good and it doesn’t matter who it refers to? What do you think about this? Perhaps you are looking at the number of outbound links from a donor, and not...

What do you think about buying links on sites with black and gray niches? WordPress ...