Yes, NASA could bring Starliner's astronauts back on Crew Dragon
arstechnica.com
arstechnica.com
Just search HN for Boeing.
Also, there is commercial flight scheduled in October on Crew Dragon. NASA could buy out two spots for returning Starliner crew to Earth.
At least Butch and Suni are getting to spend more time in space, which both of them seem to be thoroughly enjoying.