If you look at the major atheist groups right now, like the national groups, the ones that are doing the real activist work... They are not bringing in the kind of donations they used to. Most of them are starved for cash. They're downsizing left and right. Because people aren't just giving like they used to. And I talked to a lot of the major donors out there and they said, "Well, we're kind of tired of seeing the atheist community just fight amongst itself and not really get anything done. We'd rather not give money if we don't think it's going to go somewhere.
In 2018, it was reported reported that David Silverman, the president of the American Atheists organization, was fired after allegations of financial conflicts and sexual assault. See: Atheist organizations and scandals
Below is the 2017 tax exempt form of the American Atheists organization and it shows in 2016 the contributions and grants to the American Atheists organization was $1,160,208 and in 2017 contributions and grants to the American Atheists organization dropped to $480,922.