I can tell you straight up that #1 is a misrepresentation and #3 is false.
For #1: Autodemos occur at specific times, so the email waves occur at the start of the day based on the day the autodemo is scheduled for. It is always at minimum 9 days before the autodemo.
For #3: The email explicitly says the following:
You can argue for ambiguity for FCs (sort of, though it's a stretchy argument to begin with), but it's quite explicit for private owners.
E: For those who have never seen one of these emails before, here's an attached one. All the ones I've ever received have used this same template.
https://i.imgur.com/1hkj1rf.png