Yes, I bet they don't like questions! They've either spend or pocketed the money, that's why.
I truly can't believe they're getting away with this. Don't you have some name-and-shame doorstepping tv shows in the UK? They may not have done anything illegal, but it's certainly immoral and unethical.
If this was happening in Aus, I'd be all over it like a rash. It makes me really angry.