No, it's a business decision made to ensure the supply remains viable. It's not a scam, it's reality. Basic economics ought to tell you that when supply drops, the price goes up.
In 2022, total petroleum exports were about 9.52 million barrels per day (b/d) and total petroleum imports were about 8.33 million b/d, making the United States an annual net total petroleum exporter for the third year in a row.
U.S. crude oil imports sources including OPEC and Persian Gulf, and top five source countries of U.S. oil imports and destinations of U.S. crude oil exports.
www.eia.gov
It's not like domestic or global oil companies can arbitrarily shut down all US oil exports when the price goes up. There are contracts that are legally required to be filled, and it might be years before those contracts expire.