This is a failure on PayPal’s email template that the freeform text field appears just as legit as other items. The text label was something like “Message from Sender”.
This is a somewhat common pattern in scams - abusing freeform text fields in emails or other messages to give the impression that a message is coming from a source that didn't intend to send it.
Another variant I've seen is malicious URLs linking to search engines which display the user's search terms, e.g. a link to a Microsoft site search with a prefilled search of "YOU HAVE A VIRUS, CALL MICROSOFT SUPPORT 555-1212".
-- Oh, but you can wait, maybe later you'll use those 7 dollars
No, if you don't do transactions for 1 year, they charge you a $10 inactivity fee.
It’s designed to hold your money hostage and then take it afterward
The only reason to use Paypal is that you have no other way of paying for something. Even cryptocurrency is more user-friendly than Paypal.
Btw, their conversion rates are awful.