When ruling establishments lose every vestige of decency and confidence in public scrutiny, they turn to appointing nonentities as public figureheads, as the only figures weak enough not to threaten them with any hint of independence.
The obscenity of American imperialism is that it has inflicted huge social misery in Venezuela from years of sanctions and illegal confiscation of billions of dollars in assets belonging to the nation.
Nothing matters for Rubio but the applause of the moment and that he should be associated with a great foreign policy success: the toppling of the government of Venezuela.
Marco Rubio does not give a shit about the Venezuelan people. Like all Capitol Hill war whores, he only cares about advancing the hegemony of the US-centralized empire.