Anti Finger Prints

See the following from Cleaning your iPhone - Apple Support

Your iPhone has a fingerprint-resistant oleophobic—oil repellent—coating. On iPhone 8 and later, the coating is on the front and back. This coating wears over time with normal use. Cleaning products and abrasive materials will further diminish the coating and might scratch your iPhone.

I've been using Belkin screen protectors on my iPhones since the iPhone 7, and they have been great. Not sure why you describe them as "Fake", as these last as long as the phone does unless I happen to drop the phone and break the screen protector, which is much cheaper to replace than the screen. With the number of competent manufacturers out there that sell quality screen protectors, I don't see Apple making any soon. However, you have the option to provide them feedback here, Feedback - iPhone - Apple