Giannis Rules, Is All Advice Useless?

First half today I couldn't help but talk about Giannis. Not so much the game itself, but the fact that he seems like we'd be best friends, him staying in Milwaukee to win, and him accomplishing what he said he would. Absolute badass. In the second half we hit more of a comedic tone where I get into a thought about all advice being useless. Saw a friend say she was writing a speech and asked for advice, got me thinking how many people give absolutely pointless advice like, "speak from the heart". Is all advice useless?