Data on occupational licensing: we have the most highly trained cosmetologists in the world

Furthermore, the variation in regulatory stringency across industries looks arbitrary as well. You might expect that the strictest regulation would be reserved for industries in which potential consumer harms are the worst. How then to explain the fact that cosmetologists must complete an average of 372 days of education and training before getting their license while emergency medical technicians, who frequently deal with matters of life and death, must on average complete only 33 days?