Which again has to do with the fact that his fans are much more interested of his action/adventure scores and obsessively want every note from them and not the "dull" drama scores that can have hours of music missing on the album and no one cares.
Actually no. It has more to do with the fact that dramas need much much less music than sf/fantasy/action movies. At least the ones JW scores do.
Plus he really compiles good albums for his drama scores.