alt Hacker NewsMy local coffee shop makes excellent coffee. They don't need get a third party certification for me to to believe that.
Similarly for eg a local carpenter. Or my tailor.
The bar exam merely tells you that someone is legally allowed to be a lawyer or some such. They don't tell you, if she's any good. I don't know what USMLE or PE are.
> Same goes for products too. It’s not a reasonable solution for the consumers to perform an exhaustive research to get high quality guarantee.
That's for the consumer to decide, isn't it? And consumer can use third party certification, if they want to, sure. (Or if they are required to do so by regulation.)
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I don't know how it is in your country but carpenters are required to be trained and to insure their works for a decade in France, for instance.
Actually they do. Local coffee shops fall under the regulation of local food inspectors just like restaurants.