Isn't this from the video where some lawmaker or something was like "These guns shouldn't exist so I'm gonna destroy mine" but they actually just made an illegal SBR?
It might be easier for us to direct you to the Wikipedia page and answer questions you have after that than it is to start a good explanation from scratch.
Even if that were true, I doubt my parents would've chosen it because it was a trump hotel. If it were any other hotel, they probably would've still chosen it for the same reasons they originally did.
I've also seen "alpine skiing" used as a synonym to "downhill skiing" (as opposed to cross country skiing)