Not sure this theory holds water. Corporate use was the bread and butter of blackberries because the BES server provided end to end encryption. This was separ

Not sure this theory holds water. Corporate use was the bread and butter of blackberries because the BES server provided end to end encryption. This was separate to consumer blackberries where the encryption keys were manged by blackberry themselves (BIS). blackberries were replaced replaced by iphone and android devices once similar encryption was available, and was pushed even harder once BYOD was viable with its associated cost savings.