This latest update might finish up the game for me. It seems counter intuitive how it's all set up now.
Based on 50 coins per day shared across all 'mons in gyms, there's almost no point putting anyone decent in a gym, and it's typically BAD to give berries to an allied pokemon, since you stop earning any coins after 5.5 hours.
I've been tossing pidgies in an open gym and then just transferring them when they die. I still get about 50 coins per day.
Google is your frenemy.
Caveat Emptor - Latin for tough titty
I tend to interpret things in the way that's most hilarious to me