As the editor of the letter himself said cultural appropriation is a very delicate subject indeed. Because while it can show different cultures using a group of a given culture, it brings sociocultural groups together, groups together, and reduces prejudice, it can also make some ethnicities feel offended and devalued.
In my point of view cultural appropriation is very positive because it shows different realities and cultures. Even because there are still isolated cultures today. As for example African culture, many people do not know, do not show, and it is a rich culture, and cultural appropriation would be a method of showing. But of course, these cultures being shown with respect