2000 years, extraordinary changes in what we know about the universe, extraordinary differences in technologies, how we trade, share ideas, art, literature, knowledge of all kinds,
standard of living,
moral standards are
much higher.
If you follow the latter mentioned path, and earn what you earn as the result, however
much that may be per year, then you are following the path of a hugely successful «Professional» Realtor, with all of the responsibilities that that entails, including unquestioned
high moral / ethical
standards, character, honesty, truthfullnes and an inherent personality trait that embraces altruism toward one's clients» best fiduciary interests, whatever the monetary pay offs that may or may not be attached to said potential transactions.