Unlike most arcade monitors, most CRT televisions and computer monitors have an anti-glare coating on the surface.
comp monitors yes. but, never noticed it on a typical tv. ( which, use the same crts as game monitors

)
around 10yrs ago , i had a cust bring in a 32" quasar console for repair.
unfortunately, they had transported it face down in a truck.

left a gouge dead center of screen. as a favor, did the buff bit w/the dremel.
managed to smooth the edges enough to please them .....
qrz