Agree, it should be universally recognized that minorities are valid. On the other hand, I disagree on the fact that they shouldn't discuss about it if those people aren't involved. I think that everyone can have an opinion and enough empathy to talk about them, however what changes is that to discuss those things properly you MUST be informed. So, if they are informed and sensible to the topic, I see nothing wrong with that, otherwise it's just a waste of time and it's pretty useless because you're discussing about something that doesn't represent reality.
Sometimes studying is more stressful than working