I feel that sex work is a particularly sensitive type of work. Being forced to work anywhere can be a traumatising experience but sexual violence is particularly impactful.
I don't think the risks of porn and other online content are comparable at all. If I'm watching your average YouTube video, I don't doubt for a second that the content on display was made intentionally by the video host. Your angry ex won't upload your comprehensive four hour Minecraft tutorial or the video detailing how you constructed your own army of garden gnomes.
Coercion might be a risk present in any media but there are definitely areas where the risk and impact are much higher than in others.