The problem with public ministry, is that things are made public. Wow! If people could see me when I'm bound by the Flesh.....I'm deeply ashamed at some of my carnality over the years; and especially in marriage...being so for 25 years..[ my wife passed 6 years ago..]
I haven't heard Viola, but have read Pagan Christianity, and thought it historically satisfying. I've had contact with German brothers who interpreted for him, and their testimony seems overall positive.
It seems like a little nitpicking to me...."problems in his marriage..."...and frustration while preaching in the pulpit. Did you ever consider that maybe the brother was under direct Principality Demonic Satanic attack?
I've experienced that now and then....when you cannot think, or barely move as the enemy barrages me while in ministry. This is not an occasion when criticism is needed...but prayer.
Viola has not , as far as I can see, violated any principles in Christ that would come close to rejecting him. If your looking for perfection; look to Jesus. The rest of us Earthlings are stained, struggling, and immature....just trying to learn how to love.
I think he has a lot to give to the body, especially in teaching about the understanding of Body life and order. Eat the meat; spit out the bones....but don't villainize him because he does not fit in the slots of your own Pharisaical standards.
He is , just like you and me.... weak flesh and blood.....and he IS a brother on a journey to maturity in Jesus.