My dad used to say, “some people couldn’t pour piss out of a boot if the instructions were on the heel“...
That is a pathetic truth...
50 year-ago Owner's Manuals were quick reads, with a specs and replacement parts section, plus some pages for notes and such. Now, they are 300+ page encylopedias due to the many cautionary issues. Can't forget the complicated infotainment systems, either!