There are actually people in this country who think this is a great way to enjoy a day. I find that scary. What shall we perforate, the beer cans or the people?
The idea is sometimes fueled by the product in the second picture. PBR, as we often call it, used to be just another cheap beer. It was adopted by hipsters as a bit of an ironic gesture. Now so many hipsters suck it up that the brand has raised its prices. Note that the inflatable model can says "established in Milwaukee." The company is now based in Los Angeles.