I think the concept of collective security is (1) a disaster and (2) anti-libertarian.

Source: https://www.lewrockwell.com/2023/08/lew-rockwell/rothbard-on-the-ukraine-war/

It is not so much that NATO members will soon agree to formally include Asia in a global collective security agreement where an attack against one member is considered an attack against all members.

Source: https://www.theage.com.au/politics/federal/paul-keating-is-wrong-here-s-why-nato-matters-to-australia-and-asia-20230716-p5dolg.html?ref=rss&utm_medium=rss&utm_source=rss_politics_federal

It is precisely the collective security approach offered by China’s Global Security Initiative that currently holds out the most hope for world peace through its rejection of the “Cold War mentality” and military blocs.

Source: https://monthlyreview.org/2023/04/01/mr-074-11-2023-04_0/?utm_source=rss&utm_medium=rss&utm_campaign=mr-074-11-2023-04_0

The findings suggest that political legitimacy is important for states' ability to implement collective security agreements such as the one on small arms and light weapons.

Source: https://allafrica.com/stories/202305120002.html

Under NATO’s collective security guarantee, an attack on one member country is considered to be an attack on them all.

Source: https://globalnews.ca/news/9638083/nato-chief-ukraine-visit/

We must enhance intelligence sharing, joint training exercises, and capacity-building initiatives among our defense and security forces to effectively combat threats to our collective security and enhance interoperability.

Source: https://punchng.com/niger-fg-shuts-border-northern-senators-reject-military-invention/