Stop this naivete' bullshit.
Again: You were not asking that question because you genuinely didn't know. At your age with your claimed level of intelligence, there is simply NO WAY you could think someone fresh out of school with a degree would have the same level of expertise as someone who has been in a field for years and has built the credentials.
Again: If you really were unsure about how an expert becomes an expert, you should hand back your High School and college diplomas, and go back to school and do it over.