It's good. Prevents dogpiling, but we can still gauge community opinion by looking at ratios, etc.

Edit: some people are advocating removing upvotes, but I think that would have the opposite effect. Now people just vote for the opinion in a discussion that they agree with. Hiding the counts would encourage people to make their opinions visible by piling onto controversial opinions with their own (short, dunking) comments, which IMO could quickly get toxic.