After they get captured, DJ offers up information on the cloaked transports in exchange for his freedom and a payout.
Yes he is missing the key thing here. That's information DJ couldn't have known without Poe doing what he did on the radio. DJ knew before then that these two were up to things against the first order and would have ratted either way to save himself. No disagreement there. Without that comm exchange would have just been Rose and Finn in trouble. Poe endangered the entire operation. ---