I agree with you, it does not make sense selling at a lost.  Aside from that Bitcoin had proven itself the capability to recover.  History proved it.  Just look at the 2013 bubble and 2014 burst.  It goes down to sub 200 but then goes on a rally for almost two years to beat its ATH.  So I guess it would make sense if we decide to buy more, now that Bitcoin is <$1000.