Because most of Europe is made of of the most violent imperialists in history who don't give a fuck about human life beyond their value on a spreadsheet? Do you know nothing of European history? The terrors of the British empire? French terror through the CFA Franc? Finland not removing their air force swastika until 2023? And so much more. NATO is to the modern world what the Axis was in the 1930s the alliance of the most militant imperialists looking out for their interests as capitalism declines.