Why do we have to deviate from the point of Simpleplanes? What happens on Simpleplanes stays on Simpleplanes. It's not Everyday you see 9/11 Posts. So I suggest people be sensitive about it. Be logical and practical. A minor mishap here or there won't bring destruction to anything.
That being said.
Be happy, being sad about something won't improve the situation for the past, present or future. Make Jokes. Just not really bad ones (you know what I mean :3) I mean like. Cool ones. Yes those people died. And they pretty much died as a martyr infact. Each and everyone of them, working hard for their families and bringing home that hard work. Just something I have to let out.