I have given you countless opportunities to inform yourself and where to look. You have provided 0 evidence for any of your claims and continue to argue contrary to well known information. There are no words. Yes, you can kill him. Yes, you can punch him. Yes, you can use your words. The game gives you literally every method to show your disapproval. The only problem is that it makes you wait for it, when Act 1 is longer than Act 2, just to start with. You also have to be reasonably intelligent when picking dialogue, and sometimes just lucky to have him in your party for optional content. Most people who struggle with Astarion fail on the last step.
