Also the , may be somewhat obscured by link underlining, which additions atop a letter would not be.

Modern typography in Firefox and Edge (I can't speak to Chrome as I don't have it installed) has actually done a great job of skipping underlines across descenders of all sorts (as proper underlining is supposed to do).

Yeah it's really frustrating for me to look at it because of such appearance.

I tried to brush the dust off my screen before reading reading your comment. Can confirm, does look like dust