Scaling Text Size Only Scales Roblox Core UI, Except for A Person's Username

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Expected behavior

I expect the text size to scale UI made by developers accordingly as implied by the Description “Adjust Text Size across Roblox according to your preferences”.

This also does not work for nametags.

Are the UI TextLabels that you attached photos of using TextScaled or UITextSizeConstraint? If so, the text is unaffected by PreferredTextSize.

Text Scaling Article

I am unsure as it is not my game in the screenshots.