I haven't observed much interethnic interactions in my life, let alone speaking up among different ethnic groups. That being said, I would imagine that, had Russia have a more outspoken culture, non-Slavic ethnicities would be either silenced or shunned for them speaking up against immoral or unlawful activities. There are plenty of people from southern countries - Armenia, Georgia, Azerbaijan, Kazakhstan and so on - coming to Russia to work because of its more prosperous economy, and many of them - those who don't look Slavic, that is - are treated by a shamingly big number of people as inferior. Jews get the same or similar treatment. The racism stems from the way non-Russians were treated back in the USSR: from what I gather, the "union" part wasn't followed up culturally, which entails Russians, being the "main" nation among "equals", seeing themselves as more important, more powerful and so on. It's funny how the nazism the country fought so hard against finds its way inside Russia's veins. (that's another #russiabynatives topic! thanks again!)