its a very real email. you have to have an account with no activity for a long enough time to trip the algorithm.
There is probably more to it as well I wouldn’t be surprised if it targeted accounts with no activity that when were active tended to buy things more often plex, extractors, ect.
I got one for an old off grid booster that i started using as an SP farm but haven’t touched in over two years but not for any other accounts .