I remember that. About '85-'90. especially with the lighter shades of blue. My Dads '89 K2500 has that problem, paint peels right off.
Now, they're forcing the manufacturers to go to that type if they produce over a certain amount of cars in one plant annually. I'll have to check with a freind of mine, he works at the Toyota plant in Laffeyette. I know they had to change over to the system when they changed the plant over to make Camrys.