It varies obviously between place to place, the education system was historically quite rigid and disciplinarian - it was 'pay attention, shut up and pass these written tests'. There was also a heavy emphasis on aiming towards a narrow and prescriptive goal - becoming a university educated professional (who were usually depicted as stiff, analytical types).

If from ages 5 to 16 (6 hours a day) you're only praised for memorisation, clinical/analytic thought and keeping silent... and then at home your parents are pushing how important school is (as that was considered the only pathway to a better life), then you end up becoming emotionally undeveloped and roboticised.

This was/is terribly unhelpful in producing well-adjusted people or indeed well-adjusted workers. Thankfully, things are getting a bit better - many people that left the educational system gradually became aware of how messy and subjective the real world is, and that things don't work by pure reason and logic - emotion and human connection have their place... and so parents now understand that balance is needed, not least because they've seen plenty of examples of miserable 'successful' people (and understand that being moderately well off and happy is better than being rich and miserable).

Most importantly schools are starting to put greater emphasis on creative and 'soft' skills (communication, expression, empathy)... which are equally needed for work and for becoming well-adjusted people.