It looks like a reasonable report, but you also need to keep in mind each phone is a unique combination of third party apps and the operating system.
As such, there are millions of users running iOS 16.3 who do not see the issues you do.
I don’t think I’ve ever had an iPhone last more than a day without charging, but then again I leave my phone on a charger whenever I am not out and about and expect the battery to drop, especially in areas of low signal and if you have your screen brightness turned up, the number one battery draw on any phone.
If your bugs have merit, they will be investigated, so for now your job is done unless you want to do more to diagnose your particular issue.