Things are FUBAR already. It can't get that much worse: entire countries are effectively run by drug empires, others are falling apart due to uncontrolled, rampant violence (often enough caused by criminals the US deported in the first place), and Bolsonaro is selling out the future of humanity.
I agree that the anti-communist interventions of the past were a catastrophe - but looking away now and leaving the poor and nature to pay the price for past misdeeds is not an option.
The US needs to legalize drugs to drain the cartels of their funding source, support the local legitimate governments that are fighting against cartel and gang violence - and ensure that the Amazon rain forest is not burned down any more.