It doesn’t just have to be Taiwan. It could be those from China, HK or any another Chinese country (though Korea or Japan is fine too)
I’d like to find some half Chinese youtubers who were raised in China/Taiwan/HK
So far, I only know:
She doesn’t fit your criterium, but Lauren Chen (aka, the Roaming Millennial; aka, Pseudo Intellectual) is a prominent YouTuber. She is half Hong Konger and half Canadian/European. She is classically liberal, so very much opposed to current leftist ideology, and her show is political and cultural, so YMMV with her depending on your political and moral views.