... I can think of a lot actually. They could try to unilaterally reduce the nuclear arsenal and other military power, for instance. They could close down foreign military bases. A lot of those would even be more left-coded actions. A popular left-ish politician who had a platform of reducing foreign involvement wouldn't even need to hide their agenda.
I get the angle, and I'm not even ruling out that some of the BS is sabotage, but in the big picture it's too easy for me to believe the current admin really is that stupid.