But as the poll result shows, 61% doesn't think it's ok...
And I guess I know why since I'm one of them. Though it won't be a problem if we just pick the same class as you said. But we know the game could potentially "break" if we just only choose some absolutely normal options, and this gives us an unsettling feeling. It is like a bug, if you don't trigger it, then there won't be a problem. But to know it is there is unacceptable for many of us. And the only difference between this and a bug is how severe it is. And like I said, though many people don't care about that, but some of us do...