I don’t believe that “watt hours” are more convenient than joules
Clearly you’ve never had to do the calculations where these things come up, where hours are a much more common unit of measure for time than seconds, so that multiplying and dividing by time is easier when working with hours.
Clearly you’ve never had to do the calculations where these things come up, where hours are a much more common unit of measure for time than seconds, so that multiplying and dividing by time is easier when working with hours.
The real problem here is that there aren’t 1000 seconds to the hour. Then this argument would be moot