Because that is one mans war to help millions who have been pawned.

Well, let's reply to the obvious troll.

Troy Hunt is a person, not a team, and I guess he links to HIBP because he's proud of his work. I know I would.

You forgot to add that it is also an incredibly valuable service for times like these that is totally free.

At this point I'd say signing up for notifications with it is just a solid security practice.