Define 'winning the argument'. Taboo it, if you will.

In many cases, what's meant by that phrase is that the other side is convinced or is considered to have been defeated by observers. What isn't meant is that a corrent and coherent argument was presented, much less by the 'winner'.

How does the argument that a superintelligence wouldn't be able to determine what was correct by being superintelligent coexist with the argument that certain forwarded positions have had a great deal of thought put into them and must therefore be right?