The first minute of the film was the only portion with sound because it was a student project that was unfinished at the time of the selection entry deadline.

Although Flatlife has no political message, Jonas' previous movie, The All-American Alphabet, clearly has one.

While such statements were popular at the time, Geirnaert's political leanings were far-left, as he was a member of the marxist Workers Party of Belgium.

In the fall of 2005, Geirnaert made the TV comedy series Neveneffecten for Canvas (public Flemish television) with his fellow comedians Lieven Scheire, Koen De Poorter and Jelle De Beule.

In 2011, this same group of four made the television show BASTA which also offered satirical critique on current cultural phenomenon, like help desks, uncritical journalism, television call games, the production of meat and internet scammers.