There is a simple solution. If most of western world allowed Taiwan embassies China would have to relent. They can't afford having entire western world stand against them. Unfortunately, that would require western nations to agree on something.
PRC wants ROC on the same map as indistinguishable
easy cop out for the rest of us then
I would say still notice that visa policy is handled separately, and that requires continual education
But as far as public recognition its super easy to just show one country, no need for grandstanding