“Every program can be reinstated if necessary.”
You politically don’t want to cause people unneeded worry or grief.
Things have to be gradually and carefully set right.
That would be nice—and hopefully it is done.
But—the notion that you are going to cut a trillion dollars and not accidentally hit some “bone” is a standard of perfection that cannot be met in the real world.
It is like telling troops on the battlefield not to kill any civilians while the other side gets to kill anyone they want.
It is the difference between Vietnam and World War II.
You win—then you mitigate the inevitable problems as best you can—and yes sometimes you can not mitigate every one of them.