Using technical jargon and game development phrases would make him sound smarter to the general audience like he's dealing with rocket science every day to make it happen when it's just clever use of spine and unity's capabilities. Goons raid her, Insexsity, Unaware in the city, Lewd knight have already done the same before. (Goons raid her is an excellent game, check it out!)
No doubt that stuff might sound complex to a non-dev, and it probably is too, but even after two years if the groundwork hasn't been laid and he needs to take a huge gap every few months to go back and make changes to the engine thingamajig... It's just piss poor planning.
0.11 took 4-5 months of technical debt, and according to his roadmap, for 0.15 "I'll probably take a couple of months to fix and revamp the restaurant;" quoting him on this.
So about three more versions of "content" until another gigantic break.