Have some perspective, please. What Derelict has done here
would be amazing
for someone with no resources. Were he another of the many ambitious artists making $500 per month, my tone would be completely different, praising his progress and hoping he could actually deliver on some of this project's potential. However, once you've arrived at a place where you haven't even thought about sales and yet you're raking in more than most 3-man indie studios, I expect to see less potential and more results. The fact that there is still mostly only potential here suggests it's never going to become more than that, regardless of resources.
If you can look at this guy's top Patreon goal and still not be insulted there's a real chance you're one of those gormless furries with zero standards. He talks about his personal mission and how involving other people introduces destructive drama (granted, the furry breeding simulator genre has inordinate amounts of it), but oh gee if people are willing to throw him a third of a million dollars a year he'll maybe think about hiring a freelance sound designer.
Stop exalting mediocrity and start demanding excellence, friends. UE4 dev may be more witchcraft than craft, but there are plenty of people out there who can conduct the rites properly and produce something great. Mr. Moneybags needs to hire some people to fix his shit and do the things he can't, or this project will be added to the list of similar games that failed because of
too much collaboration.