Humans are not physically normal in the absence of hard physical effort.
Physical strength is the most important thing in life. This is true whether we want it to be or not.
I can teach idiots to squat in ten minutes.
If every day of your life you are told by authority figures that the Earth is flat, you will be scared of falling off the edge whether you want to be or not.
Poor form in the gym is caused by insufficient yelling.
If a program of physical activity isn't designed to get you stronger or faster or better conditioned by producing a specific stress to which a specific desirable adaptation can occur, you don't get to call it training. It's just exercise.