Anything pro S&P500 should be suspect, especially when the comments are defending bad news.
Heck if Aldi astroturfs on reddit Frugal, you bet everyone else has a reputation management team outsourced for plausible deniability.
That's a pretty ridiculous assertion when you consider how many people benefit from these companies' products/services. (Look at how many people like Apple products.) Subsequently, they will defend the companies that they think are getting unfair treatment.
Maybe Apple is just really good at public relations and turns customers into zealots with their marketing techniques. They get plausible deniability when the fans show up and advocate for Apple and they get a lot of "boots on the ground" (fingers on the keyboard?) for free. Even better, plenty of their PR soldiers are paying them to be on the team.
All of this can change the narrative.