> Notwithstanding the above, certain Third Party Services like Apple Calendar do not offer a developer API and we must obtain your login information to enable a connection to such Third Party Service. In such event: (i) we will use that information only to login to the Third Party Service on your behalf for the purpose of providing you content from such Third Party Service and (ii) you must use the settings in your account on the Sites or the App to revoke our access to such Third Party Service.

So they technically have full access to everyone's Apple/iCloud accounts? That's what it sounds like so far.

Is it safe to assume, all other apps that connect to Apple/iCloud also have full access?