In this example we still don't require you to register with anyone to buy a knife, get the blessing of some institution to sell knives, or, as in this case, get a certification before you can start making knives.

its crazy that different things, like knives and app stores, have different rules. maybe thats why the quip about the knife sounded super cool but fell apart as an analogy for this scenario when thought about for more than 5 seconds?

the point of my comment was that the state does implement a lot of rules (read: "is a nanny"), despite the claim otherwise.

Yes, the strawman version of an analogy falls apart if you poke it. You didn't actually engage the analogy at all.

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