This is not particularly amusing. I had a conversation some months ago... I
found it in which another poster claimed that Democrats hitched their wagon to transgender issues.
Of course, in reality they did not and have not. What actually happened was that Republicans hitched their wagon to transgender issues, and Democrats wanted to talk about other things like the economy and Trump's crimes. And so the Republicans kept stumping on and on about trans-this and trans-that, and the Democrats kept talking about other things, and some of the people who were listening to the Republicans started to assume that if the Republicans were anti-trans, then clearly the Democrats must be pro-trans.
Your comment sounds like that. Democrats have never been hostile towards religion, but they also don't loudly declare their religiosity in the same way that the Republicans do. And so some people, seemingly including you, make the assumption that they must be hostile towards religion. Despite the fact that there are a total of zero atheists in congress, and a whopping two agnostics.
As though the only people who count as "real Christians" are the loudest and angriest of the bible thumpers.