The problem with that statement is that an inexperienced person does not know and cannot tell who knows what they are doing and who does not. There are hacks all over rich areas that run around with saws and charge crazy money to cut trees and they don't even know how to run the saw. They just know that they saw a tree service do it and they know they make money, so they decide to do it too. Monkey see monkey do, but monkeys are not skilled. Heck, half the tree service guys I know are not skilled. They just get lucky more often than unlucky. I have worked on/with tree service crews and walked away after almost getting killed by their stupidity/greed.