Who do you think is to blame? Radio is, for promoting the singles from anyone that record companies want to push on the GP. Spotify, Pandora, and Beats, oh and Amazon prime gives almost everyone's album for freeeeee, almost all of their discography too.
I think we need to reevaluate where the money is coming from now. Its obviously less than 20% from albums now.
i think streaming is really just taking over. For me now I only buy albums from artist who I stan really hard for. Everything else I just stream on Spotify