It is the right decision to not allow her back in.
The message has to be clear, you join an organisation that commits treasonous acts against this country, you lose your right to be here.
15 is old enough to know what you're doing, James Bulger's killers were convicted of murder at the age of 10.
There is also ample witness evidence that she was actively involved in the persecution of yazidis,she wasn't just cooking and cleaning.
The only thing I believe the government should have done have allowed her baby back into the UK for the grandparents to look after or to be adopted so an innocent baby didn't have to suffer.
For those who say 400 other make jihadists were let back in, well they shouldn't have been, and I don't think they would be now, begum's case was obviously meant to mark a step change in how jihadists are viewed by this country, which will hopefully make others think twice.