If Joe is the mob boss, and there’s nothing he could do in Ukraine to jeopardize their safety. Yes, Ukraine is the hub of all corruption from the deep state, then destroying Ukraine would not be an option. Yes, the physical threat was implying that harm would come to do Ukrainian nation and it would be in the best interest of the mob boss to secure that nation. This wasn’t a concerned VP But instead a threat to a person to ensure the continuity of government within the hub of corruption