Both are batshit crazy power hungry idiots, that literally are willing to spill the blood of Venezoleans on their way to power. I mean Guaido openly asks the army for a bloody coup and openly asks the US for a deadly invasion. Maduro uses his powers to suppress the opposition. So no, no one should be supported in this choice between hellfire and death freeze. Only difference: one is the asshole of the US, the other is not. But both are still assholes.