I had absolutely no idea what occult quacks chiropractors were for an embarrassingly long time. I thought it was just another medical specialization, like dermatology. No one told me otherwise and it was only a few years ago that I learned that orthopedic specialists and neurologists practiced something very different than the quackery that still legally allowed to blend in as if it were an actual medical specialization, to make suckers like me fail to notice the difference at a glance. I'm glad I never went to see one before I knew better. :the-more-you-know:
Time itself, the kind of time measured by the second and displayed by the minute, was a ruling class contrivance to squeeze more labor value out of the working class. Go enough centuries back, and there was no such thing as "a quarter after five" for most people.