PostHog and Plausible are both open source and not backed by big corporations but if sharing data to third parties and being open source is a concern (which see

PostHog and Plausible are both open source and not backed by big corporations but if sharing data to third parties and being open source is a concern (which seems to be the selling point rybbit.io is targeting) I would expect users to self host instead of paying for a hosted plan anyways?