After all, they're genuinely dedicated to Bitcoin in spite of your censorship and the lunacy of your peers.
That's a risk someone that is "genuinely dedicated" to Bitcoin should not take.
I've noticed that otherwise liberal people have become increasingly authoritarian lately. There is a genuine difference of opinion. How this is handled matters.
First of all, the people behind the contention have a responsibility as well; second, there are other things than hard forks that can kill Bitcoin.
This economic experiment we're running right now, where txs are at the bleeding edge of the block limit with the entire network susceptible to ddos attacks, and later, hopefully(as in: if genuine txs keep growing), users being pushed off the network because of full blocks; is very, very dangerous.