Full disclosure: I am an anarchist. I reject the core assumptions of representation and delegated authority. The sales pitch of government of, by, and for the people rings as hollow as A.I. slop ads.
Individualism as a philosophy is based on the golden rule and the non-aggression principle, but critics always conflate that with naked selfishness as they try to justify political plunder and grabs for power.
Thomas Sowell is no anarchist, but he commented that it is strange to see wanting to keep what you build and earn as "selfish" while demanding government impose your will on others and take their property is not.
Ayn Rand said there is no smaller minority than the individual. I'm not her disciple, but she was right, regardless how you frame her arguments for "selfishness as a virtue." Democracy masquerades as altruism while imposing the majority vote upon everyone else. That's tyranny, not liberty.