Is should be a harder sell in the US given consumer spending accounts for 70% of the growth in the US economy -
https://www.inc.com/peter-cohan/cons...d-in-2020.html
And when that started to decrease in the pandemic the whole economy went with it.
But there's a persistent and rather pernicious myth/lie that the wealthy and corporations are "job creators" that's been Republican dogma since the Reagan days. It's never borne out in reality or had any meaningful data to back it up, and every time the US government has handed the rich and large corporations large financial handouts it's rarely led to any meaningful job growth that can be traced back to it, instead resulting in stock buybacks, bigger bonuses, and more concentrated wealth.
You're not alone in this, plenty of us are equally as mystified. But then again, these are the same folks that tried their "trickle down" policies in Kansas, where they so monumentally backfired that the Republican legislature had to override the veto of their Republican governor (more than 2/3rds of the House/Senate needed to vote in the affirmative to do so) to raise taxes after they'd slashed the budget as much as they could and were still running huge deficits.
But when you've got a whole segment of the media, conservative "news" shows, reinforcing this bullshit, because most of the hosts repeating these lies are the very rich who benefit from these policies, you end up getting a lot of people uncritically internalizing this while simultaneously rejecting any information that would show that their beliefs may be incorrect.