>Also they did not come from poor social classes. They don't have the "excuse" of having grown in a troubled society, they were not desperate because of their shitty life
They were "westerners" only in their nationality not in their ethnicity. For some western societies it's difficult to imagine the difference, but it exists -- not everybody gets assimilated to the culture he lives in, especially if there's another culture he feels he belongs to by inheritance.
For those of people (who are not the majority of ISIS, but a small minority) it's about a twisted idea of revenge for what happened and happens to their (origin) countries and to people of the same faith there, and how the west views and treats them -- not about struggling with poverty.
They were "westerners" only in their nationality not in their ethnicity. For some western societies it's difficult to imagine the difference, but it exists -- not everybody gets assimilated to the culture he lives in, especially if there's another culture he feels he belongs to by inheritance.
For those of people (who are not the majority of ISIS, but a small minority) it's about a twisted idea of revenge for what happened and happens to their (origin) countries and to people of the same faith there, and how the west views and treats them -- not about struggling with poverty.