> Your child could have slipped when getting off a train and permanently injured themselves, or in any other number of ways.

But thanks to our laws, we don't have to worry about playground sets.

Low probability / high impact events are a fact of life and are a valid cause for regulations. Worker safety laws in the early 1900s were such that people more regularly lost fingers or even limbs in heavy machinery. It still happens today, but safety programs and safety regulations have made such events far less likely.