As someone being born and living in Bielefeld I can assure you that every local is tired of it...
Sorry, I actually never thought that meme was funny in the first place, until I realized how much it pisses off people from Bielefeld. That's when I suddenly had a mission.
What's rather funny about it is that the author just intended it to be a fleshed out example of how conspiracy theories work and their followers think and argue, but that aspect of it got completely lost along the way, only the slightly humorous aspect of the whole piece remained and got memed to death.