He saw himself having an epiphany about privilege in general, so he had to swerve and add race into the mix so he could say a true (albeit unrelated) thing and miss the point.
It’s like when anti BLM people say “All lives matter” … Sure, all lives DO matter, but they’re intentionally missing the point, so they don’t have to acknowledge that police brutality disproportionately affects black lives.
Saying unrelated “true” things to undermine the original statement is a bit telling about intentions.