it says "may", and the social science seems to believe it is far from main reason people join islamist extremist groups –

https://mwi.westpoint.edu/who-really-chooses-to-become-a-sui... https://www.eip.org/why-do-people-join-terrorist-organisatio....

As long as PA pays pension to terrorist families, UNRWA teachers teach math with "how many jews killed" and Iran and Qatar actively sponsor islamist terror, the society will remain the way it is now.