A waiter speaks to a guest at The Radisson Blu hotel in Business Bay area in Dubai. The hotel has banned staff from using formal greetings. Pawan Singh / The National 
A waiter speaks to a guest at The Radisson Blu hotel in Business Bay area in Dubai. The hotel has banned staff from using formal greetings. Pawan Singh / The National 

No ma'am: how a Dubai hotel's welcome change sparked a hot debate