Based on Western media, it seems to me they are judging pretty insignificant cases like cooks (of the battalion) and what not. I do recall that Russia even exchanged some Azov combat personnel earlier in the war. And a bit of more search surprisingly finds that Russia apparently even exchanged some Azov commanders.
So what exactly is the criteria for judging those they didn't exchange? Or did they like put every Azov member on trial, but only exchanged some?