this ad is really successful because : 
- Every person in this world will be really moved and amazed by babies , even if you don't like playing with babies but seeing the smile and activity of baby would really inspire
- Every one is concerned about how to be feel and look young for the longest time , people in 80's want to feel like they are in 50's and people in 50's wants to look like they are in 20's ...etc
- music and rapid moves grabs attention even if you are not looking to the Tv you will automatically move your head towards the Tv 


Source : http://www.time.com/time/specials/packages/article/0,28804,1945379_1944054,00.html