Nah, I'm just not convinced by your point about XR and their tactics being significantly more likely to achieve anything than other forms of peaceful protest.
But at its most basic level the point is obvious, whatever you think about the moral questions.
Imagine two groups. One asks politely, can we change this thing that we don't like?' and the other asks 'can we change this thing that we don't like, and if you don't agree then we might start smashing up some windows, setting fire to things and generally being cnuts'. Which of those two groups is more likely to get what they want?
It's not pleasant, it doesn't sit well with our belief in the power of an idea, nor with out innate sense of fairness that the nice guys should win, but it's unfortunately the reality of the world.