* They were just trolling Firebase accounts for anything left open, and the first hit was a company that works with a bunch of American fast food chains. That doesn't require OP to live in the US.
* They specified "America's fast food chains"; someone living in the US probably wouldn't qualify it with "America's".
* They used a $DAY/$MONTH date format, which is uncommon in the US.
* They were just trolling Firebase accounts for anything left open, and the first hit was a company that works with a bunch of American fast food chains. That doesn't require OP to live in the US.
* They specified "America's fast food chains"; someone living in the US probably wouldn't qualify it with "America's".
* They used a $DAY/$MONTH date format, which is uncommon in the US.