Have we learned nothing from Harambee? Remember when that story when viral due to the controversy that arose from that situation. Yes, it is alway cool to see animal out in the wild and marvel at their greatness!
That's just it though, they are in their natural environment where it is survival of the fittest. They are NOT trained to be gentle like we fantasize them to be in cartoons.
This is situation could have turned out really bad had that seal not let go and dragged her all the way under! I commend that Grandpa though, without thought he jumped into action literally!