It's quite common
I also have a common name and an firstname.lastname@gmail.com account and currently have a Hilton Honours point account and a PayPal account created with my address that I can't access due to 2FA (and I'm assuming the other guy can't either). And I keep getting various other USA car dealerships confirming my car servicing booking, which is nice. Maybe Gary would like to use one of these slots to get an oil change for his car that's never been to the UK ;)