Assuming they didn't have such rules in place and those weren't advertised and enforced from day one, I feel like it's unfair and a little too late. Ultimately,

Assuming they didn't have such rules in place and those weren't advertised and enforced from day one, I feel like it's unfair and a little too late. Ultimately, it has the potential to do more harm than good. That said, I understand why Canonical would like to control what's allowed to carry the Ubuntu label.