They're companies, just like any other tech startup with a name. Google can be of assistance to you. I'm not performing due diligence for anyone. You'll see.
I'd do more research before making generalizations. Helium, Livepeer, Arweave, The Graph, LinksDAO, and many, many, many more examples counter your cluelessness. But apparently, it's "nothing but pollution, speculation, theft, and crime" that's an ignorant statement.