I think that unless you're privy to all the information that the admissions staff are using to judge acceptance, including the quality of the competition and a myriad of other factors that you or I may not have considered, it's a bit of a stretch to assume your friends were racially discriminated against. I don't know how many people you're talking about, but assuming it's a relatively small number, the rejection of most/all of your Asian friends to study medicine could just be down to chance.
I would agree for you, except it's well known that Asians are discriminated against in undergrad college admissions, so it's not a stretch for me to imagine the same thing in med school admissions. Indeed, one of the comments replying to me showed MCAT distribution by race for accepted med students is similar to the SAT distribution by race for accepted undergrad students.
Yes but even if it could be confirmed that racial quotas that are significantly unfavourable toward Asian applicants exist for some medical school admissions, that doesn't mean it was the reason for your friends being rejected.
We just don't know if they would have been accepted in an equivalent system without these alleged discriminatory policies, because gaining a medical school offer depends on such a myriad of other factors.