This is an insightful observation. Because there’s nothing wrong with trying to correct what might be incorrect or incomplete attributions, and (in my opinion)

This is an insightful observation. Because there’s nothing wrong with trying to correct what might be incorrect or incomplete attributions, and (in my opinion) it can be beneficial to emphasize the contributions of non-“Western” mathematicians. So why is this rhetoric so offensive? It does come down to the use of the “colonization” terminology, and you’ve identified part of the reason.