Exactly. The story is just not at all what it was so obviously (and documented) to be in the beginning. I've gone into it before so I'll avoid doing it again but you're right.
As for critiquing, that's always fair game. Always. I maintain that DMD is one of the better adult VNs out there but it suffers from a bad story that became worse with time, mostly due to bending it to the whims of some fans. Which I maintain is the most disappointing thing a creator of anything can do. Take opinions in and listen but don't compromise your vision for money or pleasing your fans. Ever. MrDots did with DMD and clearly so.
Still, one of the better VNs out there. It's a good one that could have been great.