Earlier quoted context omitted.
In the case of 9/11 the most likely motive was retaliation. If you could ask the terrorists, they would tell you that America terrorized them first (I'm not saying that's accurate).
There's nothing hypothetical about it. I'm actually baffled at the fact that people here infer random motivations when Usama bin Laden gave interviews as far back as the early 90s and held multiple speeches after 9/11. The stated goal of the attacks was to show Americans that their continuous war and support for secular dictators in the Muslim world would come with high cost, and to force the American government to r…
The US has abandoned Syria, Iraq, Kurds. It still has some sway with Saudi Arabia and Israel, none in Egypt or Libya.
The withdrawal from Afghanistan is a culmination of that.
The neo-conservative response to Al Qaeda was exactly what was needed to provoke this collapse over 20 years.