They didn't even really need need to make a better app to make more money. If the objective is getting the telemetry for ads by forcing the use of the official app, they could have the equivalent just via APIs and user-specific tokens. The backend would be key, and it would take advantage of an established app market. They could additionally monetize the API, if they approached it more reasonably. They could have the data and have developers pay a toll. Maybe hindsight is 20/20, but the animus they're displaying here is self-defeating.
My biggest frustration with copyright is in situations when the item is out of print or rights owned by an entity that has dissolved. There really should be a way to republish such works without waiting many decades for it to be in public domain.