Putin’s ports and airbases in occupied Crimea are under Ukrainian fire control. And 30% of his Black Sea flotilla sleeps with the fishes. Crimea has no economy now. Another reason why Putin will return ZNPP and occupied Kherson and Zaporizhzhia as part of the deal.
At this point Ukraine has shown that Crimea is militarily useless but Putin will want to hold on to it because of prestige. He has staked his reputation on it and it will be hard for him to give it up.
What kind of bandit “nation” steals a nuclear power plant? Banditry is in the very fabric of Russian history and modern society.