Are Atheists Fundamentalists?

"Jordan Peterson and Reza Aslan have called atheists like Sam Harris atheist fundamentalists. But are atheists fundamentalists? What do atheists believe that makes them fundies? Richard Dawkins has responded to this criticism before, but I felt it worthy to address it on my own.
"Christian fundamentalism breeds bad ideas like creationism and reliance on faith. Many atheists and anti-theists think that deserves a challenge. If that means we spend time debunking biblical literalism, then so be it."

The claim that atheists are "fundamentalists" is ludicrous. Most atheists simply are so because they find no convincing evidence in support of any God.

https://www.youtube.com/watch?v=fm9TQOHsJ-Q