I have a tissue
It's called "cheap".
They didn't want to spend the time and money on making an extra item to "open" and name for Marketplace distinction.
It's doubtful they actually have the time to make consumables that are free when they have deadlines for the various (god knows how many) cash items that
must be released daily. It's a case of "do we put the HW items in bags like every year to keep the userbase happy or get it out the way as quickly as possible to pump out cash items and keep the boss happy"
xp