At the very least, this sort of lack of good process is definitely what happens when Google decides to cut you off (and another person just commented a similar experience with Amazon), but I suspect it's likely the case for a much larger number of companies and services than people realize. It's fundamental internet architecture, and often little more thought goes into account termination than what you'd do to ban someone from your mid-2000s phpBB forum.
So much business focus goes into the onboarding experience, and since you assume all of the people your service terminates are "probably bad people anyways", not a lot of thought goes into offboarding, or ideally, appeals.
So much business focus goes into the onboarding experience, and since you assume all of the people your service terminates are "probably bad people anyways", not a lot of thought goes into offboarding, or ideally, appeals.