Mmm. “Anything” is maybe hyperbole. You can’t represent yourself or product as a brand. But you can write a scathing review about them and use their name and

Mmm. “Anything” is maybe hyperbole. You can’t represent yourself or product as a brand. But you can write a scathing review about them and use their name and nobody can stop you. That wouldn’t be a trademark situation, it would be defamation, not infringement.