It doesn't seem very radical at all. It seems like the slogan he's attacking is thoughtlessly radical, since it amounts to saying "Be an absolutist; if you can'

It doesn't seem very radical at all. It seems like the slogan he's attacking is thoughtlessly radical, since it amounts to saying "Be an absolutist; if you can't find common ground, your opposition must be neutralized or destroyed." Is it really radical to say that this is not a healthy view?