It's sort of hard to talk about spiritual practice as that's its own goal not a new career, or book, or whatever. https://www.xenofact.com/2024/08/12/cultivation-for-cultivations-sake/
Follow
There is a long tradition of Buddhist and Zen teachers, that "retire" from the whole "showing the way" thing. Some because of the commercialization, some because the folks they meet are not sincere, or just seeking therapy. But most because showing the way is not walking the way.