Over 7 million Venezuelans have achieved Freedom, by leaving Venezuela. https://www.unhcr.org/en-us/venezuela-emergency.html

Venezuela has very little strategic significance. The country is not "on the way" to anywhere. No vital sea lanes etc. Just a bunch of sour oil.

The Middle East is different. The Middle East sits at the crossroads to 3 continents, and is a vital chokepoint for the entire Eastern Hemisphere. Which is why great powers have been fighting over the area for thousands of years.

Also, the United States didn't steal a drop of Iraq's oil, unless the soldiers were sneaking it out in their canteens.

Exactly Zero US companies won any contracts when Iraq auctioned off their oil fields. https://content.time.com/time/world/article/0,8599,1948787,00.html