Earlier quoted context omitted.
If by we you mean the US then we don’t. The US has effectively zero direct dependence on middle eastern oil due to domestic production and transportation costs. Canada is much closer and has a lot of oil. Where it matters is they can impact the global prices and thus what people pay at the pump. Though the actual profits from such spikes in American gas prices end up going to suppliers in America or Canada.
> The US has effectively zero direct dependence on middle eastern oil due to domestic production and transportation costs For now and whilst those extraction costs are cheaper domestically. The US needs the Saudis as a backstop and for infill of the types of crude oils the North American continent doesn't have access to or is in limited supply. They're also a handy client state to do the US's dirty work in the Middle…
That's a local Saudi/Iranian conflict.