Public speaking primarily reveals what about the speaker hobbies, personality, idiosyncrasies?

Public speaking primarily reveals about the person’s personal opinion and take on politics, if given the chance to explain so. This is because most of the time, public speaking is made to either inform, entertain, or influence the audience that the public speaker is directly speaking to. The hobbies, personality and idiosyncracy of the public speaker are usually reflected on the speaker’s speech.

explanation:

it's important for any number of settings.   but then i'm a retired teacher and my view may be biased.

it certainly will not weigh as a minus when applying to a college, while poor grades always work against you.

other factors are important like what you do to improve the community.  

fearlessness is your answer