As I said, there's no 'physical damage' to the display, what you're doing is essentially removing the oleophobic coating with the alcohol wipe, due to the concentration from the alcohol itself. So you're not damaging really anything, but removing the protective coating.

Does alcohol destroy oleophobic coating?

Alcohol wipes and gels — anything over 50% alcohol will damage your display oleophobic coating. ... It can also leave a damaging solvent coating that can discolor or damage your device.

What removes oleophobic coating?

Grab a 70% isopropyl alcoholic wipe and clean your device screen. This method is officially recommended by Apple, but will also work on similar Android models such as a Samsung Galaxy and other mobile phones. Don't use abrasive cleaners on your screen to prevent damage.