No such thing called "Tibetan people choose to anti Han", it's not in large scale.
First hand eye witness, a single Chinese reporter cross Tibet after the riot: all photos, with little text description
a Chinese reporter traveling in Tibet after the riot
Quite surprising, Tibetan villages fly more Chinese flags than Han villages. Oh actually, Han villages don't do that.
From the photo you can tell, Tibetans are lot richer than Indians.