You could configure Connect to only collect email address, whatever is truly necessary. This won't alleive all concerns, but it is a noticeable part of clicking the Connect button to see if an app is taking a little or everything. If you won't be posting on their behalf, it's only one screen.
Later on we can minimize the Chrome extension permissions, because people complain about "access to tabs" and such in reviews, regardless of why you need the access.
Reduce steps to onboard user
Consider using Facebook instead of Persona
You could configure Connect to only collect email address, whatever is truly necessary. This won't alleive all concerns, but it is a noticeable part of clicking the Connect button to see if an app is taking a little or everything. If you won't be posting on their behalf, it's only one screen.
Later on we can minimize the Chrome extension permissions, because people complain about "access to tabs" and such in reviews, regardless of why you need the access.