I have thought it trough plenty. This law has been in its current form for 40 years. The ability to remove a citizenship on security grounds was created over 100 years ago. The UN charter on statelessness allows what they are doing.
It doesn’t matter that she was born in the UK. Read up what she did while there in Syria. This isn’t a tyrannical government stripping a young naive precious girl of citizenship. She was a full blown terrorist. She excused terrorist bombings. She excused the rapes. She is absolutely a security threat to the UK.