Tbh the tech update wasnt a bad idea on paper but he should have finished the game completely then started work on a tech update/remaster for an eventual steam release. If you play the pre-tech build, its clear that the game was 90% finished. Just was missing Judith/Rhonda (Gym route), and the final prom ending. For any decent developer with a small team that was at most a year of work.
He probably realized that if he finishes the game first, then the cash cow will dry up and basically dragged his supporters into a never ending "tech update". He isnt at fault though, hes just being smart. Its his gullible patreon supporters which are helping keep his scam alive.