This sounds similar to complaints I've heard about music for film/TV. Often stock music is used as a placeholder during post-production, and then composers are

This sounds similar to complaints I've heard about music for film/TV. Often stock music is used as a placeholder during post-production, and then composers are told by producers to just rework the stock music instead of being given time to make something original. This leads to most shows having very "samey" soundtracks.