Lyxen
Great Old One
Insulting other members
Are you really serious? It is exactly because D&D is such a melting pot that it has this level of success!. This game made people more open to diverse culture and point of views than any other games or hobbies that I ever saw.
Exactly. And if I may again borrow on my experience, the Ramayana is an Indian story, but I discussed it with locals at Wat Phra Kaew in Thailand, and it is already an example of cultural exchange between countries and cultures.
Speaking now to the "controlling "community: So you want to restrict the rakshasa, but to which culture are you going to attribute them ? Will you be making different sourcebooks for India and Thailand ? And for different periods of time with very different cultures ? And forbid people to mix them ? Where will that controlling spirit stop, when it's not even anyone here's right to decide anything about these cultures ? You know nothing about these people and about what they want. Nothing about how much more open minded they are, about how willing they are to share their (actual, glorious) culture that goes way more back than a pitiful 200 years. Don't assume that they are as close-minded and bigotted as you are. They are not, thankfully so.
These are all fantasy worlds anyway with only bits and pieces of cultures mixed in, and with so many other concepts and ideas added. Just be respectful, and actually, if you can, be admirative !