Read the first paragraph:
>> Apple’s limited warranty doesn’t cover damage caused by liquids, even for water-resistant products like the iPhone, Apple Watch, and some AirPods models.
>> Apple’s limited warranty doesn’t cover damage caused by liquids, even for water-resistant products like the iPhone, Apple Watch, and some AirPods models.
https://support.apple.com/en-us/108039
> Because it’s not Apple.
It is.
https://support.apple.com/en-us/108039
> These iPhone models are splash, water, and dust resistant and were tested under controlled laboratory conditions...