"An appeaser is one who feeds a crocodile - hoping it will eat him last."
And you shouldn't feed the crocodile propaganda points, making him stronger.
You're mistaken if you think Dane is actually advocating appeasement as a viable option. His is a much deeper purpose: to test the rhetoric of internal dissention. If you've spent much time on the Net or in debates, the pattern is very easy to detect.
It's all about criticism, re-direction and dismissal. Armed with a handful of stock responses, it takes very little energy but produces wonderful results - if the targets co-operate. I suggest you and others engaged in this petty banter educate yourself as to the technique.
First and foremost, don't allow yourself to be put on the defensive. Challenge him to present his own set of assumptions and prescriptions. You'll soon see that either he won't directly repond; much less likely, he'll actually be flushed out and expose his hand.