I would venture a guess that it has to do with fanbase. Eliminate all of the hardcore gamers and Final Fantasy would still sell a metric fuckton of games, whereas 99% of Chrono Trigger's fanbase *is* those hardcore gamers, based on my experiences.
Oh, no doubt it is a strong arm tactic. That said, they sent a C+D, and they have more money than all of us put together that they could use to pursue this if they wanted to. As Agent12 more or less said, as much as it stinks, is it worth possibly screwing your life the hell up to fight it?
do you really think it would be smart for a company to pursue the C&D when it would cost them money in lawyer fees for something that isn't even a financial risk for them. I still think their bluffing. If I was in the hackers shoes, I would have told them to go fuck themselves. Even if they did follow through and try to sue me, they would get nothing. I have no assets. I would have nothing to lose. The most they could do is throw me in prison, and if they did I'd probably make the news, and give them a pretty bad rep.