Originally Posted by
WHBM
I still don't get all the hoopla about organising a special SpaceX rescue mission, when there is a Soyuz craft docked there all the time (including now) for just these sorts of eventualities, with doubtless detailed procedures on when it might be used, and training for all the astronauts on using it.
Soyuz (spacecraft) - Wikipedia
I believe it is there to serve as a the only life boat. If I am correct, using it to return the 2 astronauts would leave those left on board without any way to escape in the event of a evacuatioon.