That was one of the biggest tragedies in recorded history. Do you even know what it did to the economy? It was like Black Monday on a 5x multiplier.
The World Trade Center, keyword TRADE. This isn't pokemon shit, this is real-world stocks and dollars. The portfolios were ruined.
The next time you laugh at that, think about the human beings that had their vacation bonuses decimated that day. Think about how the economic blow made countries like China catch up to us. Just think about that.
Suppose there were a grand list of every person in history deserving of sympathy for the circumstances of their death ranked by some moral calculus of the weight of that injustice. It's not like those people aren't on the list, but they comprise a tiny part of it far away from the top.