It is nice! I wish more people read it. Wakefield is in my state
Anyway, I think they have to give "reasonable" sizes that people wouldn't gasp at and say "no way, that's just crazy", because of all the small cages in stores, which condition the notion that hamsters do not need much for happiness. It's a step in the right direction. I believe change should be brought on by gradual positive reinforcement and good enticing examples of happy hamsters in beautiful habitats.
On that note, I know hamsters are often purchased by parents for children and then refused bigger housing because parents consider it "ugly". Well, there should be more "advertising" of non-ugly terrarium style housing that actually makes a room look good, like a well decorated aquarium. I strive to make my hamsters' habitats look good so visitors are usually impressed rather than saying "omg hamsters lol".