Nope, not even close. It has little real value, but it soothes a parched throat and sometimes that's all the reason you need.
I know what you mean, but the problem is that most sodas (be they diet or not) are designed to make you more thirsty after having had one than you were before you drank it, but beer was invented before giant multi-national soda companies... it was invented by people creating a thirst-clencher for
Water. Cool, cool water.
That'd do it too, I guess...