There is a cost to open sourcing. You have to maintain the community. If your goal isn't aligned with that, then you will get upset and probably stop maintain

There is a cost to open sourcing. You have to maintain the community. If your goal isn't aligned with that, then you will get upset and probably stop maintaining the community. Unless you plan to shutter the business, it could harm you more than help to open source if you don't spend the time maintaining the community, which could be a net negative for you. It's highly unlikely that your userbase will grow or that your product will grow faster if you open source it. So you'll be adding an extra burden and still be in the same place.