digging into this, the libmtp-common package is pulled in through a dependency from libmtp9 (which has a reverse dependency on audacious, which in turn is seeded in lubuntu), but the libmtp9 package does not depend on libmtp-runtime
digging into this, the libmtp-common package is pulled in through a dependency from libmtp9 (which has a reverse dependency on audacious, which in turn is seeded in lubuntu), but the libmtp9 package does not depend on libmtp-runtime