Very good article.
I think that the increase in tuition fees will probably not affect Oxford and Cambridge universities: it won't detract "wealthy" students and in any case, EU students will be replaced by more Chinese or US students (as tuitions fees are sky high in the US anyway!). However I bet that all the other universities will suffer and it will be devastating. I wouldn't be surprise to see them losing 80% of their international students.
While Bristol or Cardiff, for instance, could have attracted EU students wanting to do a year or more in the UK, the UK has also withdrawn from Erasmus...
The way Brexit has been (and is being, as this is an ongoing process) conducted by the UK government will prove to be a disaster in history books...