That's something they need to start studying in business/MBA school. That SOME customer churn reduction strategies directly lead to indefinite loss of customers.
To give a specific anecdote: Ooma offers a very interesting service, hassle-free "landline" (VoIP) turn-key phone service, the price is reasonable, and they have multiple offerings to suite many needs. I wanted to use them for a specific project, but cancelling was so toxic (call to cancel, waste my time to cancel, argue to cancel, etc) that after cancelling once instead of re-subing next time like I had PLANNED I went to a competitor. See also: https://www.reddit.com/r/ooma/comments/7he9zh/my_two_attempt...
So they lost a customer for life. Verizon lost a customer for life. SiriusXM lost a customer for life. All because cancellation was a PITA. Why do MBAs keep pushing this? Are they TRYING to exchange short term retention for long term viability? Why is business education so bad?
I feel like Costco, LEGO, or Ikea need to open a business school or something, just to teach a generation of people who want a business to survive a hundred years and go from one success to another. MBA education in the US feels like a "pump and dump" scheme right now.