Largely yes, we have. De facto most western powers prefer not to engage on the topic. They're also pretty apathetic about Uigher issues. I find that depressing too. China used to make a lot of noise about tolerance for minorities, the re-education camps are a sign of deep seated fears. Flooding Tibet with a han Chinese overclass, is pretty much complete now.
The CCP has always claimed Tibet was part of China, with the Similar Convention not signed by any representative of China. China does not lay claim to Europe, the entirety of Asia, or anything like that.