Dentists and architects have laws to stop people practicing their trade. I don’t know about dentistry; it seems too boring to get people spanning the range from

Dentists and architects have laws to stop people practicing their trade. I don’t know about dentistry; it seems too boring to get people spanning the range from enthusiastic amateur to journeyman but if it was still possible to work your way up from draftsman to architect with no qualifications whatsoever there would probably be an equivalent for architects. What’s special about computers is that the associated profession hasn’t won the rent seeking race.