Eh. Maybe. But I do see people who are pretty consistent when they have power. It may be somewhat unpredictable before they get power, but somewhat more predictable once you’ve seen how they act with it.
This principle of relative consistency is baked into how I test employees for management and friends for trust, and in the past, roommates as well. Though I do acknowledge potential for growth as well, but in my older age I generally also need to see evidence of motivation to give strong benefit of the doubt wrt possible trajectory.
Libertarian principles encourage relationships built on mutual consenting parties rather than coercion. This implies that both parties have the freedom to choose. Imagine being stuck with a small dating pool of undesirable partners, the choices may not be good but that doesn't make it authoritarian.
Except in 21st Century America, where libertarian is really just masked authoritarian. Essentially, that means “free to do whatever you want as long as it’s our way.”