i've explained it before to understand why hitler's art was unaccepted was because the time he was in and the school he wanted to apply too

apparently they told him he should be an architect despite his perspective being somewhat skewed. so shows what the no draw know it all think. they don't even know what a cone of vision is

i'll try to abridge what i've said before since its a lot but essentially...
after french revolution romanticism came out of favor and was replaced by realism, a movement based around knowing the real lives of peasants and not entertaining nobles or embellishing real life

here's an example of romanticism