But as a bystander I can ignore the obnoxious demands of a free tier customer and just look at how Ghost negotiates the facts of customer experience laid out before them, and how reassuring one might find their response.

For example, I note that nobody is contending the facts regarding the customer onboarding and payment process. I also note that the Ghost CEO provided an ad hoc fix with no discussion on whether their policy is good. That implies there will be a next customer who faces the same situation, notwithstanding any obnoxious Twitter followup — and who knows, perhaps another ad hoc fix.