This is an excellent point. If his goal was to get attention, he got it. What he didn't count on was that some of that attention would come from people who strongly didn't agree with his style, and the consequences thereof.
Completely agree, to protect your idea is quite simply naive and he could have replied differently. Dustin understands the product much better than the clone creator & he has nothing to lose. So the only thing he had to worry about was to grab positive attention.