Because I'm both a taxpayer, and a space enthusiast.
I guess I don't understand this question.
Is your only concern how much money NASA gets, regardless of how it's spent? Do you really think that's a sensible or conservative position?
No, there is something else going on here.
You shouldn’t care at all what NASA does if commercial is the grand solution to all space woes. If SLS falls on it’s face all the better for you, that will end NASA HSF and commmercial will be the king.
Libertarian?