To be honest, He attracts people with that behaviour. I also reacted a couple of times and noticed that he values a normal reaction and with some depth more. I guess for beginners starting with 0 steem power this is a way of collecting some steem power. I started myself 6 months ago with 0. And now I am happy were I am. But now I am also trying to do steemit promotions to get more people on the platform. There are many other who just post a picture and never vote on quality replies they get. They only think about themselves. Many different people in this world.. I will keep contributing to the platform.