1: I think the only 777 hull losses have been MH, which seems interesting;
Had that been true it would have merely been a sad coincidence.
But there were other 777 hull losses. Both prior and since the MH crashes.
The first was British Airways BA38 which landed short at LHR.
The second was Egyptair SU667, which had a cockpit fire while at the gate at Cairo.
The third was Asiana OZ215 which landed short at SFO.
Then there were the two Malaysia crashes.
Then Emirates EK521 crash landed at DXB and caught fire.
The seventh, and most recent, hull loss was a Singapore Airlines jet that caught fire while being towed for maintenance.