You dont counter someones ideas by silencing those ideas. Youre more likely to reinforce them if you do that. If you dont counter them with better ideas of your own you are making the whole situation worse.
So long as OP isent breaking forums rules, inciting hatred or whatnot he can bloody talk about whatever the fuck he wants as far as im concerned. And if your counter to his post is 'hur dur thats racist. silence him' then you contribute less to the discourse then you think the OP is....