I share your frustration, the people who you were talking to likely also had a misconception of what evolution and scientific theories in general are, or were s

I share your frustration, the people who you were talking to likely also had a misconception of what evolution and scientific theories in general are, or were stating it poorly. It's not accurate to describe it as a "belief" it's more like "best current guess that we have but we'll change our mind if a new guess comes up that is better able to explain things".