Board Thread:Council of Arrowverse Wiki/@comment-9346948-20180119051714/@comment-3221148-20180120180603

Ninja72 wrote:

But this is their natural state. While technically true, the main setting of DC Comics is Earth, where the Kryptonians' main feature is them having those powers, and as such, the lack of them is seen as abnormality. You could say that, to an Earthling, red light is seen as a weakness to abuse in Kryptonians.

And here is your answer. Just add that from Krypton's point of view their "weakness" was a norm of everyday life.