A 1-2 hour process which includes heating to soften glue, high potential of damaging internal components, or high potential of cracking some piece of glass is not "Screws are how in fact one accesses the battery in an iPhone."
Not here in the US. The carriers wanted to discontinue 3G for years. They really only started it in earnest in 2018. It took them about 3 years longer from the first dates given to finally kill 3G. It sound to me as if 3G phones didn't bite the dust as fast as carriers assumed or customers refused to upgrade at the rate they expected.
> you're definitely not seeing genuine AirTags 5 for $13
I didn't see anything in the comment which suggested they were. It is specifically points out there are devices not produced by Apple. Third parties can create compatible devices:
Strangely, O is very common.