I will say I LOVE the actor they chose for him. He gives major spooky vibes! And the whistling thing is a very effective little way to give him some continuity and to pull the viewer's attention
I can definitely see them cutting out some of the Fain stuff. It's so peripheral to most of the main story (stories). I feel like all the things he influences/does could be motivated by/done by someone/thing else.
I definitely wouldn't mind, I skip those chapters all the time, I honestly find...