Sure, so have them take a week-long course and register with the county and get a license. 160 hours of class and 2 years of apprenticeship means you have to fi

Sure, so have them take a week-long course and register with the county and get a license. 160 hours of class and 2 years of apprenticeship means you have to find someone to apprentice _to_, so the incumbents get to gatekeep how many competitors they're willing to have, and limit it to only the people they like.