[Knove]

prominent contemporary voices have been both openly supportive and critical of them

I mean, what if these prominent contemporary voices support 911?

[pvg]

Again, 9/11 was not a mass protest movement.

One of the leaders of an actual US separatist movement has schools and streets named after him.

https://en.wikipedia.org/wiki/Malcolm_X#Memorials_and_tribut...

[tptacek]

Multiple prominent evangelical leaders have repeatedly claimed that 9/11 was God's judgement for social liberalism, and none of them lost any stature. One of them, Robert Jeffress, is currently a prominent figure in the Trumpist movement.

[jschwartzi]

They don't. Name one who does.