This appears to be a very typical response from an Apple user who doesn't understand the lengths and hoops developers have to jump through to work around Apple's many, many restrictions, bugs and limitations. In my day job, our Apple developers have spent years finding solutions to iOS restrictions around CallKit, Push Notifications and NSTodaysProblem, and those are just the things Apple has intentionally restricted…
Imagine, Apple even wanted 30% of any donations!!
> We faced rejections in submitting the app, because they decided to change their policy on the app having a link in the "About WireGuard" tool window to www.wireguard.com/donations/ (which they previously had allowed explicitly; now they want 30% or something), and then after removing that ... Well, finally they approved the fix ...