Yes. They sold their search bar to a company that arguably doesn't respect their manifesto:

> (4) Individuals’ security and privacy on the Internet are fundamental and must not be treated as optional.

Google, Pocket, etc. are arguably not compatible with this manifesto, because their business model is precisely to sell user data.

So Mozilla says it respects and defend your privacy but makes deals with companies that won't. I'll let you pick a name for that kind of behaviour.