Where can you legally place a web2onion project?

Question

Anonymity

Actually, subject.
Why don't authorities come to people like onion.to and give them a cap?
Only a couple of words are enough to say that they do not host information, but are only intermediaries?)

Answer 1

In a state of law - through the courts and the public
In a non-legal state - to be part of special services and authorities

Answer 2

What question to answer? The one in the title or the one in the body of the question? It also asks about different things.