So, foundation - as a libertarian I learned a long time ago that one has to be very careful to not let one's ideals be selectively used in service of justifying the actions of entrenched power. This is all too easy to do with lofty ideals of individual freedom, by framing authoritarian control as freedom for some powerful actor (ie de facto government).
Or for a financial example closer to the subject - if I'm incensed by the overgrown and out of control NSA/DEA/ATF, extrapolate to harping on the need for less government in general, but then my arguments get taken up and only used to attack less hardened public-good-providing agencies like NPS and USPS - I haven't actually succeeded at my original goal! Rather my ideals have been abused to by people who don't actually care about my ideals, aren't looking to increase individual liberty, and merely want to destroy NPS and USPS - likely to focus on growing the type of agencies that I originally started off against!
As such, the motives of people actually carrying out the actions are highly relevant, and this is exactly why I keep coming back to discussing these motives. If the reasoning here is actually about money, we would expect to see reductions in costs across the board, perhaps some unevenness based on priorities, but still with the biggest cuts being on the biggest expenditures. However instead, we see $5T in new debt (monetary inflation), and increased wasteful spending on many things. Their goals are clearly not about fiscal responsibility.
So then if we're espousing an ideal of fiscal responsibility, it behooves us to condemn and distance ourselves from this administration. First, because they're burning the credibility of our lofty ideal rather than using it to create reasonable solutions in good faith. Second, because if they're cutting things based on a different metric than efficiently spending public funds, it actually means that public funds are then being spent less efficiently - so we're actually going backwards.