Okay let's review, here is what said,
Of course they are hi-breed, call it race or ethnicity or whatever you want.
There are historical proves about Muslim settlements in the Arakans dating back to 10th century, now is there any other Muslims in the Rakhine State other than the Rohingyas?
There are indeed many Burmese converts among the Rohingyas. I have seen many Rohungyas having traditional Burmese surnames like Maung.
Source:
Burma is for Buddhists | Page 10
The argument is not about whether they are racially different or ethnically different, but just on whether they are different or not and I have already raised my points.
You have proved they share the same language and culture, where? They indeed have Bengali cultural influence that doesn't make them Bengalis. Now I have also said that Chittagongian dialect has large Burmese influence, does it make the Chittagongians as Burmese? Kachins have big similarities with the Hans of Yunnan, will it imply that Kachins are actually Hans?
As I said, if you don't have anything to argue just back off rather than making a fool out of yourself. I'm sure there are many sensible Burmese forumers here who could discuss it better for your country.