That's just the name of the game, it's nothing to do with him that the site is down he is still trying to earn a living like the rest of us, different if its a hotel reservation that you can cancel.
We all take risks, just some bigger than others, i take the risk with having my own separate working flat to my home,(like I'm sure other girls do too) so double everything every month, I cannot get my rent reduced if aw is down or I'm sick or on holiday etc etc... KEY is advertise, advertise, advertise...yes AW is the main percentage of the work traffic, but when its down you'd be surprised that men search other avenues too and that's when it kicks it.