However, sugar isn't simply a sweet taste. It also has some amount of flavor, and so do the artificial sweeteners, and it is these flavor differences that you (and many others) dislike. Flavor is something that happens in the air tract, and is far more complex than taste.
Maybe, as you questioned, there is a genetic component. Or just "something different about you" (not necessarily genetic).
Its a bit like smoking cigarettes - to many non-smokers, its disgusting beyond description, smearing face with old feces wouldn't be worse. To many smokers its mild, pleasant, they enjoy it with lunch etc.
But when I do, I barely notice a difference, and it doesn't really bother me.
Why is it so hard to believe that people's taste perception vary?