>Well, the "one click" cancel is hidden deep in the settings app"

no it's not, it's not even close to being deep or hidden.

It's 2 taps inside the settings app, or a single tap when searched from the system wide search bar.

>Most people don't understand that Apple is actually managing the entire billing process

Apple marks transactions as "apple.com/bill" which provides a straightforward way to view charges or request a refund.

Here's a list of things that require more taps than accessing Subscriptions:

1. Changing the wallpaper.

2. Making a phone call.

3. Collecting apps into a folder.

4. Setting an alarm.