It's not their money, they're not accountable. They don't have to check with each voter in their region "Is spending this money okay? Can I go ahead with it?" -

It's not their money, they're not accountable. They don't have to check with each voter in their region "Is spending this money okay? Can I go ahead with it?" - sure, it might slow down things a bit - but that's a good thing, and people would be more involved and more aware.