MH370 The Netflix Documentary and now another scenario

Have you watched the MH370 documentary on Netflix?  It’s been one of the top trending shows on Netflix.  Lots of theories about what really happened but now another YouTube scenario on what they think happened.  Alot of these theories say many of these passengers were already dead as many think whoever did this depressurized the cabin to incapacitate the people on board.  I guess this makes sense since no contact from any passengers that could have sent emails or imessages using wifi on board.