You really don't see there being a very distinct difference between the beliefs of the left and right wings of American politics on this?
You think "global oligarchy" is "apolitical", at a time when the right wing is pushing harder and harder for the very wealthy to, essentially, be able to do anything they want, while the left wing (such as it is in this country) is pushing to restrict their power and tax their wealthy?
While I agree that there are, in general, significant differences in positions on these things, this seems like a bad example to choose: after all, US rail workers went on strike over the safety, long hours, and being expected to work injured or sick, and President Biden signed off on laws making their strikes illegal.
Unfortunately, at least in the English-speaking world, many nominal workers' parties have largely bought into worker-hostile policies under Blair, Starmer, Clinton, Albanese, and so on.
Honestly, I agree with you on this; however, the grandparent didn't say "Democratic or Republican politicians," which is very much the source of the problem you describe. Their wording was "conservatives or the left", which I think it is fair to say includes the people who identify with those political orientations—and I think you'd have a hard time seriously arguing that "the left" in America, to the extent that it even exists, is not strongly in favor of labour unions and worker protections.
I think the grandparent was really referring to extremities at the tips of the two wings - the cargo culting 'democratic socialist' movement the DNC pays lip service to, and the extremes of nationalist'USA first' 'patriots' the RNC pays lip service to and the DNC's coastal media corp friends love to endlessly frightened their viewers about.
Two wings of the same party. At this point because the DNC are currently so powerful they are parochially dominant (and extremely corrupt), the pendulum will swing soon and the power will shift to the RNC (who will no doubt also be extremely corrupt).
The unelected bureaucrats actually run everything in the US and at a state level. In California where I live we currently have a supermajority Dem state government, but regardless of this a handful of unelected bureaucrats from the Gray Davis era run everything in Sacramento behind the scenes.
The idea the DNC 'left wing' is pushing to restrict the local elite's power and tax them is laughable. They just have a few noisy straw men to placate voters and fill their air waves. (I'm a registered Dem FWIW. I loathe the party these days).
By and large the wealthy in this country vote D and donate to left-wing causes and foundations and colleges. The working class (including union members, not necessarily union leaders) vote R.
You think "global oligarchy" is "apolitical", at a time when the right wing is pushing harder and harder for the very wealthy to, essentially, be able to do anything they want, while the left wing (such as it is in this country) is pushing to restrict their power and tax their wealthy?