CLEAN : New Yorkers vent Trump anger on subway Post it notes

The video emphasizes the importance of community and self-expression. It encourages individuals to express themselves freely, find their voice, and engage in dialogue. The speaker hopes that more people will become writers and artists by using their voices. The overall message is to continue expressing oneself and not revert to past behaviors.

What does the speaker hope for those who do not consider themselves writers or artists?

Why does the speaker emphasize the importance of using one's voice?