That’s fine. They just gave up a third of the Russian nuke arsenal, that’s all.
Pay no attention to the man behind the nukurtain.
Let’s keep in mind that Ukraine has been a corrupt, dysfunctional dump for years … so it’s not as if a stable government would be in control of that nuclear arsenal. There would have been an alarming possibility that it would have ended up under the control of one or more warring factions within Ukraine.