Many mediators would hate to treat their friends the same way they treat their clients. With mediation clients, some mediators see it as their job to educate, persuade and nudge. We know our friends don't like that sort of thing. Maybe we should reconsider how we treat our clients. With the transformative approach, there's no reason not to mediate for your friends. See the article here.
Mediators' attempts to get parties to settle run counter to support of party self-determination. This blog post describes 3 specific ways mediators make this mistake.