You misunderstand me. I meant that he followed his father's path as the power behind the throne, if only unintentionally. I didn't mean any further than that.^^^^
No, I think he explicitly learned that from Tiwyn.
Dany’s actions were only acceptable to us because all her previous victims were evil. Slave traders or people who wronged her.
Tyrion wasn’t more moral at the end than beginning, just more responsible. Varys is the only one who suddenly became moral and it happened in season 5.