Yup, agreed. In isolation, working late or unusual hours is not bad, but with the other things going on, perhaps worth them stepping back and evaluating if it's the right thing to do.
I doubt Colton has an on-call agreement to cover him getting call up on the show.
I am currently doing on-call work, I get a daily lump sum to hold the phone, and a fixed call out sum of I get called out. There are lots of different arrangements it seems. Compensation and balance is key though