I see why they are doing it, and I think it's wrong that some young people do degrees, when they got their GCSEs under false pretences (ie; teachers doing half their course work for them, and took the exam 5, 6, 7 times until they got a C,) and then got Ds and Es in their A levels, then got into university via 'clearing!'
My 2 DD are very smart and academic (not a stealth brag - they are,) and they were studying at uni, next to people who could barely string a sentence together, and didn't understand basic grammar, had limited maths skills, and knew very little about anything. And they knew hardly anything about the degree subject they were studying... Some of them dropped out as they couldn't cope with university level studying...
So yeah I agree that people need to have good A level results before student loans are granted.
HOWEVER....
I don't think this should be implemented for at LEAST 4 years. Because, the education of millions of children has been affected so badly by covid, and all the lockdowns. Soooooo many children are quite a bit behind now, so to penalise them for not having great GCSE and A level results is extremely unfair.......