I love how people just come out of the woodworks as soon as there are any delays with a game and they start sharing their ideas of a business and how a dev should handle theirs yadda yadda.
How can you know that adding a third/fourth/fifth person is a net positive and not a net negative? They now have to give away more of their money (doesn't matter what you think of MITY, noone would want or like to do this if they could avoid it), they need to wait on another person's progress, not even mentioning what this new unknown person could do to harm your business, which has been running fine up to this point. They could slow it down, want to add their own twist to it that in turn doesn't fit with what the established fanbase wants or likes... Let the coder have his break. I'm not really in the loop when it comes to the vacation time MITY had in the last years but they were probably working non-stop with the exception of very major family holidays. Find some other Trainer games to distract you, read a book, go outside (lol), play a AAA game, whatever. Let the actual Patrons on Patreon decide if MITY are doing the right thing or not.
My opinion on all of this? I don't like it but I can't change it either. I really want them to finish all of Book 4 asap so I can actually play it (because only playing chunks is something I abhor) but until they do I have a plethora of adult-themed games and VNs that I can fall back on. I could also, and probably will because it's that (wintery) time of year again, watch ATLA&LOK on repeat. Maybe do something like that instead of spending precious gaming/watching/living time on fora discussing something that you can't change AT ALL.