I'm only guessing, because I don't have a Bandcamp account, but usually media content hostings have a limited choice of licenses, so people pick whichever licen

I'm only guessing, because I don't have a Bandcamp account, but usually media content hostings have a limited choice of licenses, so people pick whichever license is closest and mention the real one in description. I know this is true for e.g. YouTube which simply doesn't have the CC zero option.