The shutdown of the previous API is very relevant to monetization. If you were subscribed to a free service and they released a paid version, would your choice

The shutdown of the previous API is very relevant to monetization. If you were subscribed to a free service and they released a paid version, would your choice of paying be affected by the fact that your free account was removed without warning? What if you had built a business on the free account; would the sudden shutdown of your business affect your decision to build a new project on top of the paid product? Monetization requires users trusting you enough to pay, eroding lack of trust as you reveal your paid product is a mountain sized red flag.