It's not censorship, censorship is when someone else tells you to change an aspect of your product. For example the change made by 4kids to onepiece. The changes made in the game were made by the devs with their own free will. It's not censorship!!!
Ok, so how the hell do I get diamond keys?
There are only five ways of earning a single diamond key in the game:
>Being on a diamond rank in rift battles
>Buying one with canopy coins
>Buying one with rift coins
>Getting extremely lucky and getting one in the AE treasure node
>Master story...