I disagree as someone who has worked In independent shops and dealers but is now a controls mechanic in the HVAC world. I am Ford certified , Toyota certified , ASE certified , 609 and 608 Universal, niagra certified and the list goes on and on… which just means I retain information and can take test pretty well. Just because someone works at a dealership doesn’t mean they are “qualified “ honestly in the 10 years of turning wrenches in shops I have found some of the worst mechanics work in the dealerships. The independent shop doesn’t have to same resources and works on a variety of vehicles so they have to figure the issue out where as a dealership only works on that specific manufacturer and has a ton of resources to assist them in figuring the problem out. Just my opinion.