Unrecognized independence during a civil war and world war isn’t much of a claim. Chiang Kai Shek was adamant it was part of China.

Tibet has 3 million people, most of who are subsistence farmers or nomadic herders. Comparisons with Taiwan are a bit much.

I get that the Dali Lama is a really nice guy, but even he admits no one in Tibet gives a shit about him and becoming a feudal lord via picking objects as a child is a bit nuts.