secret shit talk, why?

tell me why i was told that shit-talking was meant to be done quietly? like for what reason should i hide my issues with sum1? personally, if I'm dogging on sum1, I have a genuine problem w them and I ain't hiding that shit- tf?? 🤣 I'm not gon act all cozy w u and talk abt u in secret, ur gonna kno. i am NOTTT abt the two-faced shit- and tbh, any1 that shit talks me to my face earns sum respect right off the bat. becuz YES BOO SAY IT W UR FULL CHEST