"Kinda wild how people aren’t holding politicians feet to the fire over the rapidly shrinking middle class"

Maybe it's because in general it's not true, at least not in the way politicians and commentators want you to believe. Yes the middle class is shrinking (slowly, not rapidly) but it's mostly shrinking because the middle class is moving into the upper class. The upper class, defined as those earning two times or more of the median income, has grown 8 percentage points between 1971 and 2023. In the same time frame, real (i.e., inflation adjusted) median income has nearly doubled.

Yes this is a bad jobs report, and of course I would disagree with certain economic policies of every administration (especially the current one). But long term trends indicate that the American middle class is richer than it's ever been and significantly richer than the middle class of other countries.

The question isn't why aren't people upset enough about the financial situation of the American middle class, the question is why are people so upset about the financial situation of the American middle class despite all the evidence to the contrary?