to enforce them. This is why you always see dumb letters from lawyers complaining about trademark infringement - if they don't, they lose the trademark.
I'm sure there were some negotiations about licensing, but a message board site like that is likely not going to be able to pay.
I remember a few years ago a businessman opened a car wash here in Austin that had a replica of the UT tower. They spent $4 million building the car wash and got shut down within weeks because of the Texas legal team.