According to recent update of apple review guideline starting from January 31, 2022:
all apps that allow for account creation must also allow users to initiate deletion of their account from within the app
Our app currently allow to initiate the deletion process within an app, although user is redirected to the web page, where she needs to confirm it in order to make it happen.
The web part of process is conducted in the SFSafariViewController, which is still a part of the app, so here is the question, is this enough to meet review guidelines criteria?