The dedicated Turanist will talk your ear off about linguistic co-evolution, haplogroups, and so on, but no, of course not. The example was deliberately outlandish. A quarter is lower than the proportion of Russians in Crimea.

I think we may ultimately be making the same point, that political borders are by nature artificial and often fail to reflect the historical fluidity of culture and ethnicity, but I objected to the perceived implication that these regions are uniquely Tibetan.