http://i2pforum.i2p/viewtopic.php?p=2612
If he could not make himself heard within a week, he would have things to say about those involved that would bring them down. Nothing concrete was mentioned, but it was a tangible blackmail. Long before the deadline, the then lead developer (Java-I2P) wordlessly folded his tents and left I2P. That's the story in a nutshell.