I don't think they will create a product independent of EK, they may try to offer a product similar to UA's Basic Economy.
This idea is DOA for a sixth freedom carrier which thrives on hauling third world VFR grannies carrying one hundred dollar bill.
How would you enforce BoB on a 14-16hr ULH when most pax don't have much cash or credit cards. Buying food at terminal is not a viable option at a congested hub like DXB, assuming EK flyers are smart enough to buy and catch connection.
This will cause riots and apart from technical, medical diversions there will be food related diversions.