Everyone's equal before the law?

Kieran Loveridge: trial by social media
Associate Professor David Rolph from the Law faculty at the University of Sydney told Linda Mottram on 702 Mornings that "the principles don't distinguish between traditional media and non-traditional media. Everyone's equal before the law."

Not true. There is much more happening here. Will we ever know?
Why did he punch people? Has he done this before? What is his background?