Managed to get access to Marvel Rivals' alpha? Make sure you don't criticise it, as that contract you signed doesn't let you

https://lemmy.ca/post/21060248

Managed to get access to Marvel Rivals' alpha? Make sure you don't criticise it, as that contract you signed doesn't let you - Lemmy.ca

Isn’t that condition illegal, and thus unenforceable (at least in the U.S.)?
Not as far as I’m aware. NDAs are pretty common.
That’s what I’d like clarification on. Publicizing trade secrets is one thing. Merely giving an opinion is quite another.