Lorne Michaels, at this moment, probably thinks: What's the big deal? I had Sarah Palin on the show.
Where were all these protesters when Trump appeared on my TONIGHT SHOW WITH JIMMY FALLON?
Comcast/NBC/Universal definitely think: Yes, so he said some things about people illegally immigrating to the USA from Mexico. And you could find those remarks to be racist. But we were okay with Jorge Ramos from Univision pushing back, Now, that's done and we've returned to embracing the ratings that Donald Trump brings. Trump just uses the language of talk radio--like most other GOP candidates.
And, finally, CNN's Don Lemon shows a clip where Trump, in full Trump mode, tells a crowd about going to meet with Lorne and SNL staff to go over sketch ideas.
The only thing left for people opposed to Donald Trunp hosting SNL: don't watch.
The lower the ratings, the more attention will be paid by the network and Lorne Michaels' Broadway Video.