Why are music publishers paying for future profits from a given work being recorded and distributed on Spotify when people can just go on BitTorrent and get the

Why are music publishers paying for future profits from a given work being recorded and distributed on Spotify when people can just go on BitTorrent and get the recording for free? Is there a lower bound of a market for published works? Are tweets below that bound? Are tweets of video content or photographs below that bound? Perhaps! Does the current socioeconomic system of Twitter have in impact on ill-informed context free pronouncements? Would a different socioeconomic system encourage different content?