That's entirely false. If there was a single distribution point that charged a nominal fee, that would be one thing, but to do any significant research you need at least 5 such £30 monthly subscriptions, and no school subscribes to all journals a student might want.
>If you do not pay for it, well not you precisely, but the professionals who work in that field, then the funds would be taken either away from research or from students.
I'd like to meet the professionals that buy these papers. I get the distinct impression it's mostly professors, students, and universities paying these outrageous fees.
Personally, I'm a professional now and if I needed a paper relevant to my work I would buy it. But I don't need it. Very few professionals need any sort of academic papers, especially in CS. We've got the whole Internet, from Wikipedia to Github to this very site to get information about trends, and we offer it for free because we know that hiding information is more trouble than it's worth (and it's much easier for us to work when those around us freely share.)