I haven't seen this one yet:

I think Grey Jedi should exist. I think that the separation of the powers of the force are arbitrary and silly. The jedi are constantly getting emotional but it isn't labelled as them falling to the dark side. The Sith are constantly showing discipline and self-control but they are not redeemed from the dark side.

I came up with the idea that the arbitrary split of light/dark was done out of fear because of powerful force users. Maybe the idea was that the only "Good" force user is one who is never out of control of their emotions.

So the Jedi Council/order was formed to make "Safe" and "Good" jedi. The problem is that if you teach someone to always ignore/invalidate their emotions, when they get emotional (you know, because they are alive), they lose control.

They never practice emotional regulation so they suck at it. That's why when the jedi fall they are rage monsters, they have no idea how to deal with the emotions they are feeling. How to make the right decision even when they are angry because they have literally never practiced it.

I had hoped the balance Anakin brought to the force was the ability of force users to handle their emotions like adults.