What if you’re practicing wrong? Then you get very good at doing something wrong.
George Leonard in his book ‘Mastery’
Therefore it is a good idea to learn from someone who is better at this skill than we are. Especially when trying to learn a skill in areas that work with categories like right and wrong, for example perspective or anatomy.
Later, these rules can then be consciously broken by stylistic decisions, out of which a style can evolve over time.
Errors that we do not even understand should not be called a style.