Let the Welsh call it what they wish and let other people speaking different languages call it what they wish as well.
Should we insist that the French call our capital London instead of Londres, our country England not Angleterre.
Every country should decide the official name of everywhere in there country, what others call these places is irrelevant.
Australia and Ayers Rock/Uluru is not an eqivalent. The indigenous people do not live in their own country separated from the rest of Australia. It is the Australian incomers recognising an important religious and ritual site of the indigenous people which is in the legal entity that is Australia.
What was your favourite board game as a child?


