Audie, I have heard and read people claim that science disproves God since at least high school. Even more in college, including discussions with campus marxists, campus Christians, and professors (of history, philosophy, and political science). Even a few co-workers have asserted this, directly or indirectly.
On-line, especially exmembers of religious groups, people repeatedly say the presence of suffering, the immateriality of God, apparent hypocrisy of religious adherents, alleged imperfections in biology prove that there is no God. Why would you question that someone heard such a thing. Have you never heard claims like this?