One's personal experiences of reality comprise maybe 0.00000001% of what has occurred in or is knowable about the world. On the other hand, they likely make up ≥80% of how one thinks the world works.
Your article is pertinent because many today are essentially obsessed with their own identities, especially - as you alluded to - regarding how they pertain to political power. Unfortunately, the more an idea/belief is tied to one's identity, the more one will ignore the evidence that it is false. As such, the less of an identity one can absorb, the better.
"You could identify with what you understand. That's what ideologues do. You could identify with what you don't understand. That's what seekers of truth do. Or you could identify with the process of moving between those states, and that's the right way to conceptualize yourself." - Dr. Jordan B. Peterson