Because he did awesome things and in general was just an awesome person and things were awesome everywhere he went.
Awesome thing #1:
He debuted a mustache. Welcome to the world, Tom Hank's mustache. We don't know why you are here, but we love you.
Image by Kevork Djansezian / Getty Images
Awesome thing #2:
He kissed his wife on the kiss cam at an L.A. Kings game. And it wasn't just a stupid little peck on the cheek. No, it was a beautiful display of affection done in the most awesomest of ways. You can see the video here.
Awesome thing #3
He wore this hat.
Image by Franziska Krug / Getty Images
Awesome thing # 4
Comedian Chris Hardwick invited Hanks to come on his podcast and sent him a typewriter. Tom Hanks sent this letter back to him.
Source: reddit.com