95
The patch is an image used by Ukrainian rap group Nord Division, I couldn't find much info about them but apparently they are fighters from the Kraken Regiment according to an unverified bio on genius.com
https://en.wikipedia.org/wiki/Black_Sun_(symbol)
The Black Sun (German: Schwarze Sonne) is a type of sun wheel (Sonnenrad)[1][2] symbol originating in Nazi Germany and later employed by neo-Nazis and other far-right individuals and groups.
https://www.reddit.com/r/UkraineWarVideoReport/comments/1r30jjk/remembrance_is_not_a_violation/
Definitely there are many people that aren't believers in an ideology like Nazism within Ukrainian forces, the true believers are usually the smaller number even in many societies that tolerate fascism, I've personally known so-called socialists and communists that support the Ukrainian forces. It's just funny how it really is pretty often on Reddit posts that there is some sign visible, it's like the bots or whatever promotes the posts to the front page specifically push the ones with those 'subtle' nods.