They may have run out. They probably load the system from a master copy and buy blocks of licences as they need them. Could have sold more systems than they had bargined for and are waiting for an envelope in the post with the key stickers in.
Galaxy Note 8 vs iPhone X
This is what design agencies will look like in 2032
How to update iOS on iPhone or iPad
WhatsApp : comment lire vos messages sans que l’expéditeur le sache