That's the typical outcome, but not by exception to this analysis; if a work of music or drama included an equally poorly worded "license", then the rights and obligations of all parties would similarly fall back to the terms of service of the platform through which the work was acquired, with a backstop of the Berne Convention, TRIPS agreement, TPPT, and various EU directives (or rather more specifically, the local implementation of those, assuming your jurisdiction is a signatory to any).
