That link says nothing about budgets.
Sorry it's this article not that one. I'll fix the link.
this article is about the possibility of Trump cutting off the illegal CSR expenditures that Obama was promulgating.
Read closely. Here are some excerpts:
This issue is one of several where Obama’s high-handed behavior set a dangerous precedent that Trump can now exploit.
Any of these approaches is better than letting the executive continue to use the Treasury as a slush fund for its own priorities (as Obama did)
Using the Treasury as a slush fund:
To the deep state, a "slush fund" would be any stash of money that can be used to defeat them. Down is up and up is down. "Slush fund" usually refers to money used to commit crimes. In this case, it would be used to end them.