I'm not a big manga supporter, and I'm known for actively avoiding their releases.
I'm saying your being a tad unfair here. If from the data gathered from pre-orders, and previous products have told them that the cost vs sale ratio doesn't make getting the BD masters viable then there is nothing else to say. It just won't sell in the UK, and the only people we have to blame for that are the fans who either don't buy Blu-rays, or just don't buy physical anime in general.
Telling a company to "**** off" because they don't want to do things that will put them at a loss is a tad harsh, and honestly uncalled for.