I would guess that you were downvoted because of extreme brevity (e.g. "Iran") or because your comment trivialized the tough business of making and running something like Twitter. If that's the case, then the downvoting doesn't just mean "I disagree"; it means "I disagree, and don't think this guy is worth arguing with." It's a reply to tone as well as content.

Mind you, that's just speculation. I didn't vote on your comment. But most of the time when someone complains about a comment being downvoted "just because you disagree", there's another reason he's overlooking.

Well, fwiw, I get the fail whale more often than not when signing in. How much funding have they received again? Iran - well, I am not the only one annoyed. Pretty much the entire middle east dreads the thought of it with a nuclear arsenal, let alone the damage it can do around the world with its proxies.