Once the Maduro regime falls to the Venezuelan right wing with deep deep friendships in the Washington establishment, you'll see where American interests lie. Once again back to Caracas. This American flirtation is just a temporary fling.
Correct, the USA's interest is controlling Venezuela, not Guyana. After they get their prize, they will reward the PNC Guyana with few glass beads and bread crumbs and send them packing. The US always did, and will continue to, back Venezuela's claim to E'bo.