[rboyd]

Why not just reject a speaker if you think it will hurt ticket sales? You don't have a duty to stand up for free speech, or whatever. You host a conference, you protect your brand, and if people don't like it they can start their own.

[sanxiyn]

This is the same principle that restaurants probably shouldn't reject homosexual people even if it may hurt sales.

[GFK_of_xmaspast]

"Leaders of the dark enlightment" is not a protected class.