A Little Bit About Chicken Buses

I am doing research into doing our visa run to Mexico in a few weeks. The expat Facebook groups have been very helpful, but I am getting varying opinions on how to do things.
Most controversial of all are the notorious Chicken Buses. Read this great first-hand article about How to Ride a Chicken Bus.
And here is a lovely song that may explain a bit about them!

I am fascinated by these crazy colorful buses, but scared to take one. It has been called a Guatemalan must-try experience. Perhaps one day I will do it!