That's for him to decide, but I hope he won't change his approach, that is how passion projects turn into Cloud Meadow and Breeders of Nephelym.
I understand that "I know what dev should do with their life!" is a popular pastime here, heck it's fun to indulge in it sometimes, but nah, I'm fine with all this salt I get from bugs and glitches. Game grows in an interesting direction, that's enough for me.
And at this point fixing bugs outside of critical, is a waste of time, game is barely finalized alpha. And he does fix critical ones. Patreon and FA are his main platforms for bug reports.