They were relevant in 1960. Those skills aren't relevant today. I don't think the skills it takes to be a captain of a ship are the same as they are in 2020 as

They were relevant in 1960. Those skills aren't relevant today. I don't think the skills it takes to be a captain of a ship are the same as they are in 2020 as they were in 1720. That doesn't mean you aren't a ship captain if you operate a cruise ship today.