consider the dude who just bought 30k btc for what was apparently >= market price at the time (~650)
Consider also that Tim Draper understands bitcoin's long-term potential, as well as the fickle nature of markets, and is likely not concerned. Plus, having a net worth in the billions allows one to sit tight with greater ease as well, of course.
if i was good with the interwebs, i would make a pic that says....
"tim draper is not concerned"