Do you have any specific disagreements you can share with the criticism of the actual content that the parent comment gave, or do you think that the author's job title is more important than whether what they said is actually correct?
What's asserted without evidence can be dismissed without evidence.
> Nearly every example of his critique is of the UK, not Europe as a whole, and each of them has plenty of counterexamples of the same thing happening in the US.
Separated from the ad hominems on both sides, it seems like a pretty reasonable criticism to me. It doesn't seem obvious to me that it should be dismissed as irrelevant.