It just seems to be a human trait to want to protect the speech of people with whom we agree. For the First Amendment, that is not good enough. So it is really important that we protect First Amendment rights of people no matter what side of the line they are on.
“A trillion here, a trillion there and pretty soon you're talking about real money.”
“I wrote a novel for my degree, and I'm very happy I didn't submit that to a publisher. I sympathize with my professors who had to read it.”