When foreign armies hire mercenary groups to invade your homes so that they can maintain plausible deniability for what they know is an illegal and immoral act of war, I don't think there's any debate among non-psychopathic people.
No. What is dangerous is refusing to recognize that bad people exist and do bad things. What is dangerous is calling into question people's right to defend themselves.
Nobody can stop you from believing that, e.g., Ukraine should just capitulate to Russia and give up its freedom. But don't pretend for a second that such a belief holds the moral high ground.
Supporting a nation's right to self-defense is neither simplistic nor naive. What's more, my views are informed by years of study in international law at both the JD level and in my LLM, as well as professional experience. Lastly, your personal attacks are in violation of the site guidelines. I strongly recommend you stop engaging in Internet flame war and read scholarly literature on the topic, starting with any of the various sources of commentary on the UN Charter (particularly Article 51) before engaging further. I recommend https://amazon.com/dp/B004P1JFKG/