Why would 234 alien civilizations scattered all over the sky all have their com lasers aimed at us?
They wouldn't...
I saw the paper last year, I also think a saw a debunking that went over it pretty convincingly... I will re-read both when I have a chance... the next few days are a little hectic...
And I was up late tonight watching 1984 at an independent theater... It wasn't a cheery movie...
http://www.salon.com/2017/04/04/movie-theaters-around-the-globe-will-screen-1984-in-protest-of-president-trump/