This is true for literally everything you can possibly learn in school. You can learn math badly. You can learn physics badly. You can learn programming badly.

This is true for literally everything you can possibly learn in school. You can learn math badly. You can learn physics badly. You can learn programming badly. You can learn personal finance badly. Professionals who work on history pedagogy work hard to prevent the sort of "memorize names and dates" approach. This shouldn't be considered a unique problem with history as a discipline.