Why does Adele only go by her first name?

Could you elaborate on the reasoning behind Adele's choice to only go by her first name? Is there a specific reason why she doesn't use her full name professionally? Does this decision have any connection to her personal brand or her music career? It's intriguing to note that many successful artists and personalities in the entertainment industry have adopted similar practices. What might be the driving force behind this trend, and how does it contribute to their overall image and recognition?