"Because we're hated and feared for simply being born into this world."

He could claim the feared part now, while Luke couldn't. Everyone feared what he might become, what he might already be, despite his lack of powers.

"We have no choice in this matter, everyone has decided for us that we don't belong. The only difference, as I see it, is that mutants have community amongst themselves. And I'd argue it'd be rather hypocritical to tell another outcast he doesn't belong in this community."