Its not about the money for jihadis, the salaries they got at isis peak was 400-1200 bucks a month so i highly doubt anybody would risk his life and limbs to get into Syria for 1200 bucks a month
Isis narrative has been challanged , there motto is “remaning and expanding” .
Its hard to claim you are on god side when you have not had a major military victory for a year and you keep losing controls of cities and areas to the Kurdish militias