https://twitter.com/visegrad24/status/1496788626658807814
edit: Wait no, it's maybe worse. That's the Ukrainian ambassador to Japan so this is actual weeaboo cosplay: https://www.theweek.in/news/world/2022/02/16/ukrainian-ambassador-to-japan-poses-as-samurai-in-message-to-russia.html
Along with the impressive image, Korsunsky wrote in English and Japanese "We know what we are fighting for. How about Russia?"
Sergiy Korsunsky
Might just be an aesthetic thing: Samurai got their swords, Vikings got their axes, Knights have Armour makes it the least accessible and rather boring.