I don't know about that or what the circumstances were, I was just responding to the claim that the trademark hadn't been enforced in the past; the video seems explicit on that point.
You're right, he answered later though with the example of reselling GPL licensed plugins. I guess I missed that at first.
I just stopped watching after an hour, after the arguments about who should actually pay the fee and who should not. No other companies seem to have to pay the 8% fee, but then he decides that WPE should do it and maybe because they hurt his feelings, they probably need to pay even more - his own words.
It also provides another example of Matt exploding with a personal vendetta (IMO). Which is highly relevant to what's happening now. It's a pattern.