There are so many examples of this in the auto world, e.g. the Big Motor scandal in Japan where the corruption was at both the dealerships and a major insurer: https://www.japantimes.co.jp/business/2023/09/08/companies/s...
The “better” car companies simply design systems that force more labor hours into regular maintenance. For example, BMW’s ingenious battery placement that allows them to bill $700-$900 for 5 hours worth of work. Oh, and changing your own battery will void the warranty. Fortunately for BMW most of their clientele has enough money to not care.