I didn't gloss over anything. I called it exotic matter. Exotic matter is a concept that physicists have theorized about for decades as a means of making FTL possible, and has been used by science fiction writers for just as long. Bioware even gave the Mass Effect a scientific explanation that can support itself. The only problem is the material doesn't exist.
Meanwhile giant rocks floating has only ever been considered as magic in science and even science fiction. As I said, the Mass Effect doesn't even allow objects to defy the laws of physics to that extent without causing even more problems. If they are artificial structures then possibly, but we see these in the E3 trailer and they were just rocks. For the Mass Effect to work there results in the fact that you couldn't drive there since the magnetic field would rip the Mako and you apart.
Thus there is no cognitive dissonance to acknowledge because the comparison is a false equivalence.
No, they are exactly equivalent. The Mass Effect is a non-real effect to explain why an (as far as we know) impossible thing is happening. Since (as far as we know) rocks can't float, it follows that there is another non-real effect to explain how that is occurring as well.
You are having difficulty with that because your cognitive dissonance has led you to believe that I was saying the Mass Effect was causing those rocks to float, when I actually wasn't saying that at all, in order to maintain your existing belief that there can be no explanation for why those rocks are floating.
By the way, we do have instances of things floating that shouldn't in ME; it has been shown to happen as the result of biotics. If biotics can cause things to float, then how can you honestly say that there can't possibly be any other effect on that planet causing things to float?