They're not Nazis they're literally Jews. They were probably there with the CIA and Mossad to fuck around with false flags and blaming stuff on "muh Nazis" and pivoted to join the war effort when the war hit.

https://www.peoplesworld.org/article/israeli-government-welcomes-azov-battalion-leader-as-honored-guest/

https://electronicintifada.net/content/israel-helps-ukraine-whitewash-its-nazis/36911

https://www.timesofisrael.com/moscow-israeli-mercenaries-fighting-with-far-right-ukrainian-unit/

One of the leaders had Jewish stuff (Star of David and more) in his quarters, I can't find it anymore because Google is compromised.