I wonder if multi-sig contracts (not necessarily through blockchain) would preclude such incidents in the future. Concentrating so much power to a single person

I wonder if multi-sig contracts (not necessarily through blockchain) would preclude such incidents in the future. Concentrating so much power to a single person, inevitably makes for such "Little Finger" plays with devastating effects for everyone involved. I am watching the video of it all now here: https://www.youtube.com/watch?v=FOdXie85VX8 https://www.youtube.com/watch?v=FOdXie85VX8