About 13 or so years ago, AutoMagic and Toyota teamed up and had a traveling training school for all Toyota dealers, focused on used vehicle reconditioning and some new vehicle prep.
Dealers sent their people, and then they, in most cases, left it up to the Service Manager to impliment the program.
The Service Manager did their normal thing, went to the local yokel, bath tubber chemical company for supplies, as they were cheaper and that meant more bonus money in the Service Manager's pocket at the end of year.
During my time in the business, put together the Driver's Mart recon training program, taught it all over the country, they folded into AutoNation and cheaper products went in to the shops.
We did the Chrysler Canada Master Prep program for them in 97, privated labeled products for MoPar, went all over Canada, trained close to 250 of the dealers, same thing, in a short time, the dealers let the Service Manager's return to the old ways and supplies.
Did a series of 4 hours class room training sessions, over three days, for all of Hyundia's Field Service Engineers, they were provided a two inch training manual and went to their dealers attempting to get them to up their quality of new car and used car work. Not much happened, Service Managers again.
In 92, I did a complete process and procedure system for Mazda's field engineers, using Finish Kare at that time, not much happened, even though the Mazda field engineers stressed to the dealers the importance of following the system.
Mazda came back for me last year, but since retired, turned it over to Tim and he did a series of field training seminars, etc and nothing really changed.
Nissan and I were working on a program just before I retired, they pushed the button to start it last fall, Tim went out to several field training programs for their Field Engineers and several of their top volume stores to train. Nothing much has happened there either.
Then there was the FordStar training event.
Keep this in mind as you consider these things--All of the car companies mentioned, have TSB's for the use of correct, tested and proven methods, processes and procedures, using Automotive International's ValuGard products or the products that Automotive International private labels for them (MotorCraft/MoPar, etc). Yet, the dealers go back for the cheapest products, and the fastest, cheapest labor, the "get it done and make it shine for a couple of weeks" approach.
If there is a warranty issue resulting from the use of damaging products or processes, they just lump it in to what the car companies refer to as the Big Bucket, under "fit and finish" warranty claims,and sell cars, get their $60 to $80 an hour internal warranty labor rate paid.
Over my professional career I have easily taught in excess of 3,000/4,000 detailers, and it doesn't make a dent in the big picture.
Money talks and people go on doing what they think is the fastest cheapest methods as long as they can get away with it.
Grumpy