FWIW the presumption should be -- but of course it isn't true -- that only serious professionals are running instances designed for random people to use: anyone

FWIW the presumption should be -- but of course it isn't true -- that only serious professionals are running instances designed for random people to use: anyone doing this as a hobby in their spare time should just run an instance either for themselves or for their close family and friends (or maybe at best team members).