Good to have both options. I think the popularity is because of timing. Right now a lot of eyes are on the obscure works of TM after the surprise of Hibichika being added to FGO with people outside the loop wanting to know why the deep TM fans are so excited about these other works that arent the big ones.
This VN is simply the perfect opportunity for those people to get into one of the obscure TM works the deep TM fans have been talking about. And of course fans of DDD like us to go back to reread it.