> Experts are recognised, among other things, because they are the people others come to when they are facing unusual and tough problems.

When a person want to make a website, they go to an expert on making websites. That expert doesn't have to be a genius, they just need to be good at making standard websites.

Or if that is hard for you to understand, consider what you see as an expert in other fields. When people say "go see an expert", they mean go see a doctor or a psychologist or similar, they don't mean go see the best doctor or the best psychologist, just someone who is trained and experienced in the field.

Or if they say "hire an expert" they mean hire someone who has worked on this kind of problem before, not someone who is particularly smart.

Sure, that's the colloquial understanding.

In a discussion specifically about learning -- which this is -- it would help if people are more precise with their words. Hence my suggestion to rephrase. What you have in mind are journeymen, not experts.

So a doctor is a journeyman? It seems you could use an infusion of precision as well.

Most doctors, most practitioners in any field, never get higher on their skill tree than journeyman, that is correct. See e.g. the Oxford Handbook of Expertise for more on this.

Some doctors are experts. Those are the doctors other doctors come to for advice in tough cases, or the ones that are consistently helpful in grand rounds.

> When a person want to make a website, they go to an expert on making websites.

No they don't, the world is abound with people who learned html specifically to make a website they wanted to make.

which implies the skills for making a website are not all that deep.