Refineries that handle heavy crude can easily adapt to light crude, it's the other way around that doesn't happen.
The only reason they don't is because light oil is more expensive. There's no lack of oil for them.
Now we have an attack against an oil-producing country at a time the oil prices are the lowest they have been in many years. If this is about oil at all, it's to increase the price; but it's probably 100% about the Epstein files.