I just put it into subject and that's how it looks like in my inbox

https://imgur.com/a/Ki2cciH

minimal efforts, won't pass any scrutinity but someone panicking might miss it.

Thanks OP for the thread, very enlightening.

The screenshot in TFA shows the subject was "Recent Case Status" and the sender was Google <legal@google.com>. This wasn't as simple as a dodgy subject.

I wonder how many people would fall for that though.