Sure but I'd argue that there are likely to be more similarities amongst people with 2,000 hours experience than there are amongst people with 1 year of experie

Sure but I'd argue that there are likely to be more similarities amongst people with 2,000 hours experience than there are amongst people with 1 year of experience. 1 year could mean anything from "watched three udemy courses" to 4,000 hours of hands on keyboard in a full time position + hobby projects.