You can still do both
Not sure that I follow what you mean. You can’t fix a system that is being dismantled, so I’m guessing that you mean something else.
Or you could maybe take actions to fix the system. Because whatever you lot come up with after dismantling is going be worse for everybody else.
After that news on research that a Trump victory would likely spell the end of NATO, don’t be surprised if the rightists starts to see this election as being about ending NATO and withdrawing from the UN.
Typical right-wing goals that maybe leftists don’t appreciate the strength of conviction that the hard-liners have.
That (and the obvious social conservative goals) are the only legitimacy that Drumpf really has.
edit: also, Trump trumped Biden on the Palestenian genocide when he moved the Israeli embassy. i’m sure that that emboldened Netanyahu to press even harder rightwards. Now look at it.