Putin has no reason whatsoever to be concerned lest Ukraine join NATO as a full "article 5" partner.
“You are very naive and silly if you think Russia could look at Ukraine in NATO as anything less than an existential threat...”
I don’t give a F what Putin wants. You do!
Ukraine is not a member of NATO. Ukraine was not scheduled to be a member of NATO. So there is absolutely no justification for invading Ukraine other than territorial conquest.
You think “NATO BAD” only because it blocks Putin’s military expansion. You’re a KGB tool.
Putin has no reason whatsoever to be concerned lest Ukraine join NATO as a full "article 5" partner.