Think about it this way: The later it comes out, the less time you'll have between DT releases!
Also, as a fan, I'd rather the release be a little slow than rushed. Remember how it only took Score months to come out, but how they totally forgot to include backing vocals in Metropolis? LALP is at least twice as ambitious as Score, so if they need to take it slow, take it slow. And it's better to not announce a release date than do so and then have to change it.