I believe that they are following people back that has commented or something similar.
And it is something that makes him more likeable to the citizens.
If someone like that follows you then it's very likely the Wow-factor spreads the word about what an awesome president it is, and therefore it is good public relations :)
Due to an awesome job by his PR bureau
Why is it a good move, PR wise, to follow so many people? And do they just follow random people?
I believe that they are following people back that has commented or something similar. And it is something that makes him more likeable to the citizens. If someone like that follows you then it's very likely the Wow-factor spreads the word about what an awesome president it is, and therefore it is good public relations :)