Zelenskyy's character can be judge more directly by how he treats others and whether you think he's protected his country. From what I've seen, he has treated Americans with respect. His attire is to remind people he's at war, not unlike Churchill wearing a siren suit to the White House in 1942.

Haha! & (although maybe you didn’t get that far) The 5 Minute Conversation With the Riders of Rohan Described in Just Less Than an Hour (listened to audio version with my kid and discovered how very much I had skimmed when reading this multiple times)