This is exactly right.
If my previous 2 iPhones could last as long as they did without scratching, and Apple is boldly advertising the "toughest glass" in any phone, then the only possibilities are:
- false advertising
- manufacturing defect
- or... someone took a diamond tipped drill to it while I was in the bathroom
I trust and believe in Apple - I have for many years.
If they tell me this glass is as good or better than any phone ever had, I'm going to assume with a high amount of confidence that it will easily withstand my version of day-to-day use, as my previous iPhones did so admirably.
The way my blemish appeared makes me suspect some weird problem with this glass.
The scratch/crack seemed to just appear. Even if it was caused by something I did and didn't notice, it was something I must have done at least dozens of times to my previous iPhones, and they are still spotless.
Thus, I know for a FACT via personal experience that this glass is definitely different in some way.
Maybe someone spilled their beer in the acid bath for one batch of glass? Who knows?
Regardless, community members and the OP have the right to know they're not alone, they're not crazy, and they may be entitled to redress.