Is this just a result of upbringing and having shitty circumstances?

A prominent example would be pic rel
Story:
https://en.m.wikipedia.org/wiki/Shamima_Begum
tl;dr
>London born
>joins a terror group at age 15 in 2015 with 2 other friends
>traveled to Syria
>becomes an enforcer
>ends up in a refugee camp in 2019, at the time says she did not regret her decision to join
>has 3 kids, all of whom died young and buried in unmarked graves
>gets UK citizenship revoked
She’s still living in a refugee camp in Syria to this day and seems to regret speaking to the media since it made her a visible example
Why would she throw away her life like this? It’s like winning the lottery and then burning the ticket