There are two sides to every story, and the truth generally lies somewhere in between.
If you never move out of your comfort zone - if you only read, watch and associate with viewpoints that agree with your own - you are doomed to have others think for you. We are influenced every day by media (in all of its forms), and those we associate with (friends and family). Consider how these factors play into your own opinions and/or the decisions you make.
Not thinking for yourself has dangerous consequences. It can allow us to be swept up in “mob thinking” where the loudest, most passionate, and intimidating rhetoric rules the day. It can part you from money you don’t have but feel compelled to spend. And it can change the course of history based on electoral votes.
Think in shades of gray when things are presented as black or white.