[ImFatYoureFat]

There is something to be said for the power of litigation. Presumably this guy does not have millions of dollars to spend fighting legal battles for the next ten years no matter how much the evidence is in his favor. Facebook and Zuckerberg do.

[skmurphy]

There is enough money at stake that a legal team could take this on a contingency fee basis. The visibility involved in being on the legal team, coupled with the high probability of some kind of settlement if it dragged on, means that there may be many attorneys who would be willing to prosecute the suit.