I think the point the GP is trying to make is that when you watch SNL you know that there are going to be satirical commercials. If you took a commercial parod

I think the point the GP is trying to make is that when you watch SNL you know that there are going to be satirical commercials. If you took a commercial parody from SNL and played it unaltered during prime time with no introduction, you would probably get in trouble even though the content hasn't changed.