http://ushawks.org/forum/viewtopic.php?f=2&t=1629

This particular incident started when I saw Gabriel Jebb (David
Jebb's son) giving a paragliding lesson to a group of about three students. I
was too far to observe many of the details, but I could clearly see that Gabe
was demonstrating kiting without a helmet. This is common practice for Gabe and
many other Torrey instructors, so I began to document it with my video camera.

Now a decent person might be a little embarrassed for having been caught on
camera demonstrating poor habits to his students. And a decent person might
thank me for pointing this out and put on a helmet right away. But that would be
a decent person. Gabe decided the better approach was to attack me, and he took
off his harness and began an aggressive approach intended to scare me. I stood
my ground: