It loads fine for me. Maybe you have some other problem?

Nope. It's because the cloudflare captchas require a bleeding edge browser. If one uses a modern commercial browser it works and you've never even presented with a captcha. But in both cases I am tunneling to a VPS to avoid Comcast/Xfinity's MITM injections of javascript into pages and that adds some oddness to my connections. Comcast has a monopoly on high speed internet in my town and I cannot even get DSL or I'd switch.

Lacking lived experience re: discrimination is something that's pretty common. I hate to compare my entirely optional 'software veganism' struggles with real discrmination issues, but just because you don't experience discrimination doesn't mean it doesn't happen. I go to online stores, government services, even places of recreation and I get denied service because I have to tunnel to avoid my ISP's unethical practices and I don't use a cloudflare approved browser. It feels bad.

Tell me more? Your setup seems unique and confusing.

Browsing through a proxy does not need to change your User-Agent. I do this all the time.

Xfinity is not MITMing HTTPS sites! You control your trusted CA list.

You don't need to allow JavaScript to run on all sites.

I know Firefox works fine, even if you use a decent tunnel, but if that is too commercial and bleeding edge perhaps the Ladybird project is actually a solution if it gets up speed?