There were numerous other items from his tumblr and instagram which make it clear broderick was not being satirical.
See the screengrabs captured here
https://www.cernovich.com/ryan-broderick-racist-tweets-vile-...
OR here
https://www.zerohedge.com/political/buzzfeed-journo-reported...
But it looks like you're willing to give a lefty a pass on behaviour that would be career ending from a conservative, which is par for the course.