how does this make sense for a single-player rpg? most videogame sales happen within one or two months of release, and most people are not going to replay this

how does this make sense for a single-player rpg? most videogame sales happen within one or two months of release, and most people are not going to replay this kind of game unless they really like it. this is pretty much the only release I'm looking forward to this year, and I very much appreciate that they are pushing it back until they feel it is finished.