One's public speech is public and can be used as evidence- including in EEOC or civil proceedings.
I don’t know what makes you so stupid but it really works. Your ignorance and twisting of facts is astounding. The dumbing down of America is on show here.
That statement you quoted is only for statements made in relation to the employer, that’s it. This is why law school has the LSAT, to remove morons that twist facts into something they do not mean; morons without any reading comprehension.