[add-sub-mul-div]

1. Most everyone needs haircuts and licensure allows us to take it for granted that we'll get someone with basic competence and that there won't be a citywide outbreak of lice. So much so that we've forgotten the point of the licensure and cite it as folly.

2. Computing was new and mysterious and developed faster than lawmakers could understand it, and by now it's given so much power to the top 1% that they're for all intents and purposes above the law. Cosmetology licensure is from a time when legislation still helped us.