In terms of evaluating roughly how powerful fictional entities are, actually it is a valid argument. There is no absolute standard that defines their power level, and the closest is general perception. Gross outliers to that general perception, like yours, is indicative of your being wrong.
No it is not. We go by what's on panel, not what most people think.
But what most people think is what is on panel. The debate is everyone's interpretation of what's on panel. Your interpretations tend to be huge outliers. Of course, sometimes you just outright deny what is directly on panel and paint yourself a hypocrite. For example, you deny the on-panel words "human child" describing Zeus and the on-panel words that the Aegis gives its wearer an impenetrable force field right here: