"Large scale eviction of Bhutanese citizens" and "shady regime" are highly simplistic or one sided ways to describe a complex problem that Bhutan does indeed have. Over the course of the last 4 to 5 decades Bhutan has faced a wave of economic migration that it has been (and continues to be) ill-equipped to manage. In trying to do so, yes, unfortunately and almost certainly some Bhutanese citizens have suffered. At the same time, many claiming to be Bhutanese citizens certainly were not.
While, certainly not all those who claim to be the refugees might be actually one, the poor human rights record[1] of Bhutan speaks for itself. For a nation that issues citizenship based on race and origin [2] and "categorizes" them, a lot of economic development (and the self claimed Gross National Happiness) might be just a good publicity move by the Druk regime.
