> Japanese electronic tariffs in the 80s

Also motorcycles. https://en.wikipedia.org/wiki/1983_motorcycle_tariff

Taking that as an example, was decline because Harley kept to the same design and never innovated to compete against Honda and Co?

It's not all manufacturing costs, and I always receive the impression that it's because it's cash cow situation. It's a formula that works and never because they invest in a different avenue. Until it doesn't and that's then when they send in the government.

Excluding manufacturing costs is it because they are scared of it being a failure? The same cash cow can be seen with the likes of Disney Pixar and Toy Story 5, a pointless movie plot at this point.