The way to square this is to realize that the stated goals are not the real goals. USDS and 18F were doing the work that DOGE purports to want to do. Less than 2 months into the administration, they have been gutted and terminated, respectively.
They both brought in great private industry talent to make digital services better. 18F in particular did this in a cost-recoverable way. So killing 18F saves literally $0
Federal worker salaries make up around 4% of the entire federal budget. On your stated figures, if you eliminated the entire government workforce, you would only be saving around 40 billion every 3 months. You would still be spending 960 billion. And you wouldn't have a functioning government.
USDS and 18F took people with experience in industry who were also politically savvy, and placed them where they could help the existing government and their contractors (which has grown absolutely terrible at building things) cut costs while increasing service.
DOGE will do worse, in service of bringing about the oligarchy.
That's mostly from benefits, defense, unfunded tax cuts, and entitlements, not the type of spending DOGE claims to be addressing. Go look at a broad summary of Federal spending categories, then look at the history of the deficit under the last four or five Presidential administrations.
DOGE is about conducting an ideological party purge of the government bureaucracy. Overall I predict it will cost money, since it'll cause a lot of things to break and/or be replaced by more expensive contractors.
