If by “advancing against Russia” you mean that a bunch of countries were extremely eager to sign up when given the chance, then arguably its Russia’s own fault that they felt the need to join a defense alliance so that their sovereignty would not be threatened in the future. And given that Ukraine has been invaded multiple times by Russia exactly because it does not have a NATO mutual defense guarantee, it sure looks like they had the right idea.
If by “advancing against Russia” you mean that a bunch of countries were extremely eager to sign up when given the chance, then arguably its Russia’s own fault that they felt the need to join a defense alliance so that their sovereignty would not be threatened in the future. And given that Ukraine has been invaded multiple times by Russia exactly because it does not have a NATO mutual defense guarantee, it sure looks like they had the right idea.