not sure if he's letting the success get to his head, or he is actually trying to ward off competitors Have you considered the possibility that he's using some

not sure if he's letting the success get to his head, or he is actually trying to ward off competitors Have you considered the possibility that he's using some humor to point out the fate of all the much-better-funded but now-defunct competitors that a typical HN commenter would've expected to crush Pinboard and win the market?