Somewhat off-topic, but the other day a school principal in Florida was forced out of a job because some parents were upset that their 6th-graders were exposed to an image of Michelangelo's David - in an art history class: https://www.dailymail.co.uk/news/article-11894493/Tallahasse...
There's an overlap between these sort of hyper-reactionary people and politically motivated street toughs, who are likely to keep escalating such situations because it's strategically effective.