It’s common that serving raw rice or having raw rice once in a month or week.
This might be more close to the natural way of having food, but there are some side effects with this. This will come only if we suddenly switch to uncooked rice.
Bacillus Cereus Bacterium exists in uncooked rice and it creates toxin which can cause uncomfortability to human. If a person is used to eating this raw rice there won’t be much bad side effects cause our body system automatically adjusts to it.