Have you tried using Windows 10/11 with on-access and behavioral AV (not defender) on 4gb of RAM and a 5400rpm spinning disk? I find it entirely plausible that they have to wait an hour plus for the machine to become remotely responsive.
Reading the article was indeed surprising and depressing - it certainly is a plausible scenario! The question is: is such a disfigured desktop experience an acceptable result, given that the physical hardware enables much, much more productivity?