@contrex,
Plenty of space in comments for "deserved comment and opinion".
Tagging topics with insults and petty commentary messes with what's currently the forum's primary navigation structure.
Plus, it is (or was) a sneaky way to get in your insults anonymously, and to get around moderation. If you engage in personal attacks in a comment, at least you're owning it, and it can be removed by admins and mods if they deem it beyond the pale.