You don't seem to understand what freedom of speech means.
Anyways, the guy is putting his most marketable foot forward and realizes the volatility, and perhaps even the internal spuriousness, of politicizing religion and especially of allowing laymen to dictate the terms of the conversation and get you to say things you might otherwise veer away from.
Anyways, there were a couple things Dawkins said (in passing, not in actual speeches or books) on the topic of Islam that gave pause, but he's certainly not malicious and he certainly is self-critical. He's also completely deserving of everyone's respect.