Earlier quoted context omitted.
Walmart and other big-box store bicycles are infamous in the cycling community for their poor quality and assembly, often to the point of being completely unsafe to ride at any speed (Nader reference intended). They often use the cheapest high-tensile steel they can find, off-brand rims, mix-and-match groupsets, low-quality brakes, and so forth. The bike you linked exemplifies that - mixed Shimano/SRAM components and…
Boy would you love the Netherlands. Here, almost everyone rides a used bike that's had many owners, each of which changed it in some "improper" way. Wheels the wrong size for the bike, duct tape holding the bike together, half of the spokes broken, etc., etc. But you know what? That's what the whole country uses for transportation, every day, and it works fine. It turns out that, in your day-to-day usage of a bike (a…
But there's a big difference between the 'keep it rolling' mindset and dealing with new-from-factory plastic that walmart et al try to pass off as metal. I've seen axles split in half while coasting down a steep hill, dropping the bottom bracket straight to the ground (and the rider along with it). Derailleurs pulled into spinning spokes, causing an explosion of twisted metal that was thrust into my friend's calf.
I think a lot of the safety insanity you refer to comes from most American cycling experience being on bikes that seem designed to fail spectacularly.