"... it's worse than that. They used git. They can git your kids, git your job, git your family; all with one command. They can even clone you. These hackers will be pulling and pushing this country apart!"
To Euro-English speakers, 'git' is a rather coarse pejorative term for a person:
http://www.etymonline.com/index.php?term=git
It's fairly vulgar, of a similar coarseness to calling someone a 'stupid fucker' in US terms.
The in-joke being that Mr Torvalds chose the name specifically to cause offense.