Well, that depends on how much effort you plan to invest and what exactly you want to achieve.
I don’t want to raise any false hopes about thousands of players magically appearing and helping you monetize all the time you’ve invested in development, because for that you need much more than just a good game.
But if your goal is to create a game you can be proud of and to continue building your portfolio and a community around it, then you’re already halfway there and I think Dominot is definitely worth finishing. I already liked the demo, and I’d personally love to see the full version. I could even imagine buying it for a symbolic price.
That said, I’m just one random weirdo reading this forum, please don’t base major decisions solely on my worldview. I don’t want that kind of responsibility :)
But yes, I do see real potential for Dominot becoming a full game.