Religions are the worst
Religious philosophy is fine. Not everything needs to be crammed into the framework of hard sciences. And the social aspects of religious organizing are no more good or bad than the individuals who take part in it.
You can just as easily find religiously motivated abolitionists as slavers. You can just as easily find religiously motivated homeless shelters as pedophile priests. The spiritualist language used to describe our social bonds is no less legitimate than some Evo-Devo prattle about brain chemicals, at least from the perspective of setting useful policy.
They’re abusive and a detriment to society and progress.
You can just as easily find abusive and detrimental habits in business economics and the hard sciences. Rationalization of a perverse or destructive behavior often follows the decision to embark on it. And you don't need religious beliefs to rationalize bad behaviors.