That's the strangest part. WWG's productivity has been pretty consistent for a long time.
Did he get writer's block? Is he unsatisfied with the ending? Is this an epic troll, one final meta joke in his genre parody?
Some say he's dragging it out to milk supporters, but that would surprise me because he's been planning his next game for years. Not to mention the post-game epilogues he's talked about for PV, there should be enough content coming to keep supporters onboard. Maybe he's burnt out and is essentially taking a paid vacation before jumping back into development?
Could he be telling the truth, and has just had bad luck with his health or whatever? I'm not sure anymore.