While she may be introducing these dishes to their society, it's not really like she came up with them either. She didn't didn't invent fried cutlet sandwiches.
Personally, I think it's a bit like people squabbling over "sniping" manga titles from different translation groups. Sure, different groups do better or worse jobs, but none of them are directly benefiting the original creator. So what's the point of animosity about such things?