For everyone who doesn't believe this sort of thing ever happens, there's a reason why this former security guard is now sitting offstage to the left of Jimmy Kimmel every night.
Kimmel started talking to him, befriended him, and eventually gave him a job.
Some people are nice. Some successful people are nice and are friends with other people who are not as successful as them. Sometimes they even help them out if they can.
As much as I've drifted away from Kimmel (and most talk show hosts for that matter) he does give the impression that he's a sincerely nice guy when the cameras stop rolling.