Besides that fork and spoon usage being different in parts of SEA, they also tend to raise a soup bowl to their lips, like a large cup to sip the broth, which seems efficient.
As a child, I saw my Chinese friend and his family eat soup that way... when I copied the technique at home, my mother yelled at meπ "PUT THAT DOWN AND USE A SPOON- like you're supposed too..."!!! I laugh about it now.
She was raised in the strict (Prim and Proper) New England style during the 1930's in America.