That's not what was said ...

Some positions require a degree of intelligence, there are many things that can demonstrate levels and types of intelligence.

Some positions demand a certain amount of physical endurance, there are many things that can indicate physical ability.

Some positions demand a level of stability and commitment to time scale, there are many different factors that can indicate that.

Some comments require a certain ability to read qualifiers and nuance in the English language, there are many that breeze right past such things and imagine things unwritten.