Diggy Dissing?

Now this popped off yesterday on April 1st, so of course plenty of people had to think that it was a joke being played upon us. Diggy had a diss record 'leaked'  about the young berg of the south...J. Cole. It's funny  cause he's just corny like Young B only maybe a little more corny. So while getting to the bottom of it, it came to my attention that a song everyone seemed to be loving by Cole