It isn't very clear how he got to those percentages, and I can't be bothered to read his code. It says based on X commits, but I think X repositories would be a more accurate representation.
All the Java style guides including Oracle's and Google's don't newline, I also have never seen a library that newlines.
Although you can just auto format to clean up the disgraceful newlines, sometimes it can fuck up the formatting of other pieces of code. I would rather people just followed standard Java practice rather than trying to infect me with their .NET virus.
More than anything, if I see someone using code conventions from a different language, it just makes me think they are a scrub.
Of course I do think consistency is most important, but here on OSBot we don't newline