If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
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I'm unsure what the intention of the comparison is. If you want to stretch it all you can, swallowing is a life-or-death situation. But you don't routinely have to teach your kids to practice "safe swallowing," whereas "safe street crossing" lessons for kids do exist.
The intention of comparison is, basically, "unnecessary dramatisation".