Law degress are expensive

Do they need to secure a license in such a way? Probably not.

Would that fact at all change what the sentence in their TOS means? Nope.

Whether or not the sentence needs to be there has no bearing on its meaning.

That's a wonderful non-answer. It's really showing how much leeway you're giving Mozilla for this overreach.

What changed? Why do they need it now?!

I'm not here to defend or attack Mozilla.

See https://news.ycombinator.com/item?id=43205587