The main Waffen SS and ethnic units in eastern europe were two different things.

You're thinking about SS units formed in Nazi Gerrmany-proper. Ethnic units, while technically a part of Waffen SS, were quite a different story. At least up here in between Nazis and Soviuets. Recruitment was mostly about defending from Soviets. In most cases leaders were well-known figures from interwar era. And usually those leaders did a lot to make sure their units ain't used for stuff you typically think of when you hear „Waffen SS“. At the end of the war, those units were the starting point for post-WW2 anti-soviet resistance. Both people and guns/ammo.