[cogman10]

It goes far beyond the manosphere. You can find people selling all sorts of naturopathic, homeopathic, crystal, and Jesus endorsed medicines.

Anywhere a group of people gathers to downplay pharmaceuticals or evidence based medicine, you'll find them pushing their own untested and unregulated junk.

[bluGill]

I think you have the cause backwards. Anytime people can make money pushing their own thing they will downplay evidence based medicine.