I don't understand what you think Facebook did wrong. They intend to enter this new space, using their technology and their people. As a courtesy they offered to hire you / throw a lot of money at you. What would you have had them do instead? Not compete with you, because you're a precious snow flake? Acquire you and treat you like a prima donna, giving you your own team and allowing you to take your own technical di…
I think his issue was that the meeting was in bad faith. He was under the impression that he would be demoing his technology so it could get visibility within Facebook, not walking into a negotiation. If they had been upfront about their intentions with the meeting, he probably would have never gone. What do you think the purpose of the “platform developer relations” executive is? To advocate AGAINST Facebook and for…
I don't understand why this is a big issue. What was the cost to him in going to this meeting? It would hardly have changed the outcome (outcome: he declines their offer and they build a service which clobbers his.)