That really seems just wrong. The established interests here haven't been pushing for a Venezuela action at all. They want to sell arms (via western assistance) to Ukraine, which is much more lucrative and clearly something the Trump adminstration has stymied at all opportunities.
If you have to push for a Capitalist String Pulling Conspiracy angle here (which I don't buy either) it makes much more sense to view this as an oil industry play. American-driven regime change in Venezuela opens up its state-owned petroleum industry to American petrochemical interests.
But no, 99% of of this is simple pique and bullying. Maduro is a loudmouth antiamerican and weak, Trump is a bully. This is just what bullies do. Pushing around antisocial nerds in the schoolyard is how bullies demonstrate authority to their base.