The Architects have been killing guardians since long before the Red War. There should be a raid to stop the architects from killing any more guardians. The final fight could have the Architects use cabal pods and other things that crush/send you flying to kill you. Obviously there would have to be some sort of warning system to make the mission not impossible, but if you got a second or two to move, it would be possible. It would be a great new challenge and people could fight a non-fallen/hive/cabal/taken/vex enemy. Plus, it would be a good way for Bungie to show they realize the physics engine needs some work and to have a sense of humor about it. And who wouldn’t want to fight the devs??