another writer had already explained it perfectly
Stop Policing How Women Speak
Amy Nguyen

see also Jessie Char’s talk “Expert of Nothing”

“If bubbly voices are not what competency sounds like, then I shall continue speaking this way until this is what competency sounds like (also, I have no choice). And if pink dresses are not what competency looks like, then I will continue to wear pink dresses until people take them more seriously.”