I'd go as far as saying it's counter-productive. I have a hobby-level project with actual users earning me some money on the side while requiring very little day-to-day involvement (roughly 2h per week) and there's no quicker way to get my door shut doing interviews than by mentioning it.

There's simply no way to package that which doesn't make the other side think that I'm gonna steal company's time at best and that I'm only looking for like a temporary gig until it takes off at worst.