Because players aren't in a rush to support good games on Patreon. Games that get less than 3 stars here get 10-20 paying patrons from their first release. And this one, as I recall, only had 3-4 paying patrons the whole time it was being developed.
I liked this game. It really had a lot of potential. The best character was the MC - clever, likeable guy. A bit of douche, but at the same time not over the top. It's a pity it's over