Eh, Cloudflare provides a pretty good service for a very reasonable price.
But yeah, the web doesn't have a business model in the same way a town square doesn't, yet you can make a business work in both areas. Make a compelling product and people will pay you for it.
You mean product that literally makes web unusable for many and tracks your every single step with extremely invasive fingerprinting techniques? That product?
That's a big reason why I don't use their security layer, mostly just their domain registrar. They have a ton of products that don't involve tracking your users.