I believe you, it's just I've seen similar stories and the good-intentioned founder gets tired and eventually sells the business and the new owner ends up enshittifying the product. Not saying in the slightest it will happen to your company and I don't hold that against the founder. It's their prerogative after all.

Even when I use proprietary software, I sleep easier at night knowing that open-source alternatives keep them honest in their approach and I have an out if things do change.