If it's free, you're the product. Overall I think it's a good deal for both users and Cloudflare. Users get a major CDN for free, and instead of paying for it

If it's free, you're the product. Overall I think it's a good deal for both users and Cloudflare. Users get a major CDN for free, and instead of paying for it with ads, surveillance or other shady thing, they pay by being beta testers.