More often it's not the company itself, it's the payment providers.
There's a LOT of hardcore rightwingers in that business, and they've made it their mission to strongarm every online business dependent on their services into banning anything they consider obscene.
Though also many companies are quietly conservative, or hire conservatives because the feeder pipelines for managerial "talent" are controlled by conservatives. They claim arm-twisting because they were taught well to shift blame for unpopular things whenever possible.
