That's true for their CDN (https://blog.cloudflare.com/post-quantum-for-all/), but there's a lot more to do, with a 2029 target (https://blog.cloudflare.com/post-quantum-roadmap/).

We're almost done countering store-now/decrypt-later, but the biggest part of the job, post-quantum authentication, still remains. Like Google, we target 2029 to be done .