I've recently got a few of these emails along similar lines, while there is some variation to them they typically claim to have hacked your account and threaten to release data if a ransom isn't paid. They haven't actually done so, just hoping that people will send them money.
This article gives a reasonable overview of the scam:
Did you recently ...
The recovery codes are used for 2 Factor Authentication if you don't have your phone. So after you log into Facebook on a new device, you would enter the recovery code instead of the code that gets SMSed to you (or you get out of an authenticator app like Google Authenticator).
These aren't to be confused with the security code that gets sent via email or ...
I finally figured out a way to make Chrome sign out on closing the browser.
There are two settings that need to be set:
In Chrome go to settings...click Advanced...click Content settings...click cookies..."keep local data only until you close your browser" should be turned ON.
In Chrome go to settings...click Advanced...scroll to ...
As it was mentioned on the other answer Google doesn't offer a place that include a list of the connected spreadsheets but you could create automatically that list by using Google Apps Script.
The access rights that the connection implies is read only and it's granted to the account that authorized the access. This connection will work while the authorizer ...
To your pointed technical question, there are no technical issues with allowing the form to continue to exist client-side. It's always a click or two away in any case.
If asked over on the UX SE, I'm sure it would come up that it's a waste of space. Almost universally, interfaces should be individually optimized for the current situation. Even Google opts ...
YouTube does not support this kind of thing, you need to specify which email addresses exactly should have access.
As a workaround, you can record a screen capture of you performing the steps to reproduce yourself and upload those as a public video.