Sounds like there's a problem with the cooling system using more water than expected. If I understood the comms correctly it sounded like they switched to a backup system to try to alleviate the issue.
Not reentering with this capsule would be a catastrophic failure. They are, unless something actually serious happens, certainly reentering on this capsule.
I anticipate catastrophic failure. Dunno where you think they’re going to get more helium from.
"Currently the helium leak is not a safety issue for the crew, the vehicle or the mission.”
(Unlike Boeing quality control, apparently.)