First what he said :

blackstone | visualcrypt agToday at 17:30
lol, the chain is 3 days old and at height 600

he laid because then he said :
 
blackstone | visualcrypt agToday at 17:46
it's not my community
we discovered the ANN yesterday
we did not even know there was an ANN
we just found the github

They start own chain and greed mine without say that to other miners