Earlier quoted context omitted.
No argument, and it wasn't meant to sound simple -- just depends on how deeply you are aligned with the goals of the platform. I agree from painful experience that platforms can be capricious and even disingenuous. But that's also part of how they adapt to a changing world and business. Still boils down to: nobody said it would be easy (to get others' attention).
"We're shuttering our API" (which kills your business model) is very concerning if you're the business that's just been torpedoed. "We don't want your sort on our platform because reasons" ought to be concerning at a much wider level (and not just to the sort that apparently aren't wanted on the platform).
We can all think of things we would ban if we ran hosting providers. We all know there's a line. Why are we pretending there isn't?