Switching those cultures is a challenge. The sort of personality that got you your first ten sales doesn’t want to stop coding that way, and if someone doesn’t step in, then that precedent becomes your culture. They never grow up.

One place dealt with Rube Goldberg code forever because most of the people who thought it needed to be fixed left. People conflate “if the code didn’t start that way then we wouldn’t have a product and thus we wouldn’t be having this conversation” with “there’s a good reason for the code to continue being that way”