The numbers don't matter. As any fule noes they are subject to massage, misrepresentation, fudging, blatant lying etc etc.
It's the principle that drove the matter. Did I really pay any attention at all to the £350 mill number? Of course not! Obvious marketing fluff!
Should we be concerned about giving money to a bloated bureaucracy offshore to get it fed back as they saw fit? Yes I think we should.
Don't get hung up on headline grabbers...look to the underlying principle.