Sharing an important truth that may be offensive is important and honorable. Sharing an offense just for the sake of being offensive is a losing strategy.

No. We do it because it's funny, and being fun with little regard for political correctness is part of this battle. We don't posture ourselves in the perfect position to please everyone because we're not politicians - we're everyday people. If you want everyone to conform to thinktank-approved behaviors, then go work for a campaign. It's not happening on the internet.