Yes, you do. Like with other things you don't really know what you are asking. Like you think you want it - but you don't.
Government regulation of market is the primary source of the inflation and the economical crisis we are having right now. Regulations increase the prices (or empty the shelfs). Not the other way around.
There's nothing harmful, predatory nor addictive
Lootbox is not gambling though. And DI doesn't even have lootboxes.
But from the game design point of view it is BAD to show drop rates to the player. Try to figure out why. Again it's the case of "you think you want it but you don't"