Hiring has been crazy for years. It's worse with remote jobs because you get a firehose of applicants everywhere.
When I was doing a lot of hiring I tried to be as responsive as possible because you don't want to lose the best candidates. I would try to review applicants as fast as they came in. You have to understand that in that hour I might get 40 resumes. 1 or 2 are amazing, another 2-3 could be worth a look, and another 5 might have made the cut if I didn't just read those 2-5 much better resumes ahead of them.
If you met the listing qualifications but got rejected as not qualified, I would double check that your resume wasn't unclear about something. You would not believe how many times I've interviewed candidates who had some key experience that they forgot to include on the resume and didn't realize it was missing until it spontaneously came up in talking to them.
The simpler explanation is that a tired hiring manager was just clicking buttons to dismiss applicants who didn't make the cut.