I think a lot of them believe that working through a conflict is a benefit and that offering to do so is something that is a good thing. I think it is crap, but reading stuff by them where they flat out say it is what leads me to believe they profess such a thing on a regular basis. I don't think mc was trying to pressure but was leaving the door open sort of thing.
There is this guy (who I think is an asshole but many seem to like him)
https://www.psychologytoday.com/blog...n-quit-therapy
https://www.psychologytoday.com/blog...i-what-why-how
who touts such an idea. There are others but I don't have time to list them now.

From my perspective, mc had not been doing marriage counseling in a long time and everyone was willing to go along with it. The whole situation kept getting very triangulated with other therapists.