Having myself been attacked by a frothing gang of leftist 'protesters' at a legitimate and absolutely peaceful demonstration, I guarantee you, I can see the problem.
To avoid misunderstanding, are you saying that it's acceptable to physically assault people because of their opinion, or do you "agree" with something else?
>To avoid misunderstanding, are you saying that it's acceptable to physically assault people because of their opinion
Of course it depends on the opinion, but I see nothing wrong with it in principle.