The Irish discourse in race nu-uh ism. Like yeah, white people did some shit to the Irish. But then the Irish got upgraded to White status. The exact boundary of what we consider 'white' has changed and imposing it retroactively on historical figures and trying to imagine a unified 'white culture' of the pre-colonial world is silly.
Like if you want to be proud of your euro heritage, great, get some flags and learn to cook your favorite old country dish. But if you conceptualize it as this grand unified 'white heritage', we can see the klan hood.
As opposed to normalizing it by talking about it all the god damned time, for example by using it in your thought experiments instead of literally any other criminal compulsion.
Ok, I've spent way too much time on this, but read the "Sharing Information on Ben Pace" section. As some of the comments point out, it could be written about Kat's own reaction to the earlier article.
Pay no attention to the man behind that curtain. The rate of men behind curtains is actually quite low. Do not doubt the great and powerful Oz.