Yes. On largely the same rationale as Melchett.
The other driver is that the longer we leave them in place without at least hindering their ops, the more entrenched Daesh will be and the worse the refugee crisis will become.
None of it is perfect, but to be frank - as long as you have one axis supporting a Sunni side and another diametrically opposed one supporting the Shia side, it ain't going to get solved. The best that can be hoped for is that some form of federation may evolve.