I think it's fair to point out the donation patterns of various superpacs, but we should probably also acknowledge that even independent of campaign finance the US stands to gain substantial benefit of maintaining military superiority in the ME.
Couching your understanding entirely inside finance rhetoric falls dangerously close to a conspiracy theory and should be cautioned.
In my experience as an American, "fuck you pay me" is our only practiced and sacred value, and all our other supposed values are just empty feel good platitudes that allow us to play pretend our culture doesn't revolve around greed and greed worship.
Most Congresspeople got into politics explicitly to be bought, and working your way up in local/state elections is a process both major parties use to measure your ability to both be amenable to and effective at funneling that sweet, sweet bribe money into the party.
That's why the few that don't take Superpac money are usually spoiler candidates with economic policy positions both parties loathe, as yes, the economics of political bribery, especially since Reagan converted his former opposition that used to get bribed by unions to rake the bigger corporate bribe checks as Republicans always did creating today's neoliberals, greatly exceed any other force in American politics.
There's nothing ideological about petrochemical subsidies, for example, that industry can and does just write "donation" checks to our elected leaders, and their bribes trump our ballots every time.
I've no hope of this changing, and have accepted this greed rot is going to be our end sooner rather than later, and that greed is creating a swath of vectors, Climate change induced famines/droughts, AI, fascism rising to defend the mass ignorance required to support such thoughtless corporate greed in the face of all evidence, etc to do just that.
I swear people give the south shit for the wrong reasons. Yes it’s racist, and sexist, and homophobic, and transphobic, and corrupt as hell, and WAY too serious about their imaginary friends, and I will happily admit all of those terrible flaws about my homeland and bear the shame of my ancestors for creating that world, but yinzers are the ones that talk weird and make up dumb words. At least y’all makes linguistic sense