[frognumber]

> The FSF and friends have very explicitly commented that the GPL is not a contract.

One of the interesting pieces of law is that in a situation like this one, the intent of the drafter is strongly taken into account. The FSF says it's not a contract, publicly and vocally. That will be used in any court, and a court is very unlikely to overturn that.

> (In my experience, they are also rather sloppy lawyers in the sense that they tend to put ideology over positive law.)

I can't speak for FSF lawyers in general, but Eben Moglen, who drafted this language, is a super-careful lawyer.