It's just an academic study on social media by a university, funded by an NSF grant. Cool your jets.
I'm sure you and all the other red avatars would be saying that if Bush were still President. After all, what is $1 million of taxpayer dollars to "study" how to shut up your political opponents for spreading "subversive propaganda" opposing your agenda among friends?
This is academic research by CS faculty at IU about a completely legitimate topic. That's all it is. Nobody is censoring anyone. I understand when people get angry about Marxist historians, but this is computer science research for crying out loud. They're trying to understand an important new piece of technology in a deeper way.