Why does the Left fear Milo Yiannopoulos and want to quash free speech?

They are so terrified of Milo Yiannopoulos's new book, what are they afraid of?

Good for Simon and Schuster to stand behind Milo Yiannopoulos and his new novel. I despise bullies and this is exactly an attempt to silence voices that do not agree with those trying to silence them.  

Instapundit: Why is the left so terrified of Milo Yiannopoulos's book?, the Age of Trumpquarious, Milo predicted it, Who's trolling Who?, Troll Level: Galactic Overlord, This = Hate?, Social Justice Warriors of the Sea

EBL: Nat Hentoff: Rest In Peace, Stallions, S.E. Hinton, Milo explains the alt-right to CNBC, Milo as Trump Press Secretary?

CNN: Self proclaimed internet 'Super Villain' gets a book deal

Hot Air: Has political correctness backfired in America?

The New Yorker has a case of the vapors over Milo...

TOM: People like this are why Trump won

Hot Air: Good, They Got This Right