Was Internationally-Minded
In addition to alienating many of his citizens by disparaging the ancient religion, Akhenaten harmed Egypt by failing to maintain good connections with other countries, which led to the loss of trade partners and even local tax collections inside Egypt. Additionally, Tutankhamun worked to mend fences with the Asians and Nubians who lived nearby.
There is evidence to imply that there were conflicts with both of these opponents and that it wasn't all friendly overtures and trade agreements. None of them, though, were anywhere close to being so serious as to put the Egyptian kingdom's survival in jeopardy or necessitate the Boy King's personal participation. It was a crucial step in keeping the empire from falling apart and saving the economy.