The Guy is a guide out of Oly, His name is Rob,
I have told him many times myself that the eastfork above the turnow is Driftboat Water Only and that people do not take kindly to sleds up in there. I hope dude learned a lesson before someone hurts him or vandalizes his stuff. You need to know were your limits are in a sled. And the locals there make it very clear that the eastfork is not sled water.
Peace Superfly