>>149299777
It's really as simple as
>he doesn't look trustworthy

Superman being all powerful is only part of his charm. A villain can be all powerful, but what makes Superman Superman is that he is the perfect man to be all-powerful. He's a total boy scout, a Spartacus.

Try to imagine Superman showing up to a school sports festival day to represent the kids and meet the parents.
pic related fits right in, but this new guy looks like a creep, if I was a parent I wouldn't want him to be anywhere near my children.