nah even natopedia doesn't attempt to draw this strong of a distinction. They're composed of the same people (give or take casualties and new recruits), they are the same
https://en.wikipedia.org/wiki/Azov_Brigade
They were folded into the official armed forces as a special operations battalion all the way back in 2014 (and even before that they were sanctioned by the interior department for a while). So all this guy is claiming is "we didn't give them guns before 2014", really.
just untraditional
It is tasty (though it's easy to accidentally use too much and turn it from soup to one big mush)