Replace "water" with "fat" and that sentence is correct.The coating is to repel water, it has nothing to do with scratch protection.
your phone becomes a fingerprint magnet after that.
Yeah, I remember when my iPhone 4 was approaching three years old. That phone was impossible to keep clean. "Did you eat a Big Mac and then smear grease all over your phone, or what?" That was what my boss told me once when he saw the phone laying on the conference table...This.
It looks really horrible when some of it has worn away and some remains.
I used a magic eraser to get rid of the oleophobic coating on my camera lens. The result is much better pictures.
Wow, I'm hoping you mean something like the lens on your phones camera and not a DSLR lens.