Actually, when he started it, that was not yet the case, I was myself sponsoring another game (had to cut now, due to some "change") which had incest content through a patch by the authors, and there was no issue raised by Patreon.
I should not comment on information on which I have no precision, but honestly, I would dare to say that I am pretty sure Zorlun is way far away from the kind of amount you are indicating, unless the unit you are using is something like Russian rubles or Ukranian Hryvnia
, and even then, I would still not bet on it.
The guys that make "Something Unlimited" are a different matter, they are well above the 10K USD per month, that is visible, so it is not a secret.