Removal of the tax credits from the Affordable Care Act means worse health outcomes for health center patients. Those who could have entered the health system at an early and treatable point of a health condition may end up visiting their health center/ER with a much more complicated (and costly) issue. Not only is this a moral argument, it's a basic public health argument.
I suspect the Koch brothers are perfectly happy to have folks like me running around arguing about the correct deflator to use or the percent of the Ryan budget's spending cuts affecting low-income programs, while they continue to buy "research" that says otherwise and policies that exacerbate inequality. That doesn't mean we give up on factual analysis. It's what we do best and I will not be convinced that facts are irrelevant. But neither will I kid myself that facts matter anywhere near as much as they should, or that they will win the day anytime soon. Despite evidence to the contrary, we will be stuck with austerity economics and "Obamacare kills children" for the indeterminate future. More damagingly, we may well be unable to ban assault weapons or take actions against climate change, all due to... what? A missing movement? An inadequate theory of how change occurs? Lack of money? Votes?