It seems like RG universities etc care mainly about your ‘score’ not subjects?
Looking at other DC, say if you want to do English Lit at Newcastle, Exeter, Durham, etc, 3 A stars will trump a lot, no matter what subject? As long as A or A star in English? The subject you want to study.
Maths at Durham (?: A star Maths, Further Maths A star Classical Civilisation, A star, media studies, A star (?)
Does that trump: A Maths, A Physics, C Chemistry? For example.
Do we all make it too hard at Uni entry level?