There is a realistic possibility that those piloting the plane used this and/or other stealth techniques and landed intact. There are lots of groups around the world that would love to have a working $250M aircraft. Maybe there is a massive airplane chop shop that this went to, or someone wants to load it up with explosives and fly it to some country they disagree with. Unfortunately, whether it landed or not, the od…
It doesn't make any sense to kill 240 people, including babies and kids. Especially if this is a terrorist act, they could not religiously justify that, especially since these are mainly Chinese people rather than American.
And since we have no idea who did what, where, why and how, its far to early to judge if it made any sense or not.
That is not to say that I condone senseless violence. However to prevent further incidents you must understand the motivations of the perpetrators and understand from their world view. Just saying they are evil isn't going to help you understand why they did it.
After all if you don't understand how desperate they are, you don't know to what level they will stoop.