I suspect the high bandwidth price is a targeting tool and is primarily for repelling those wanting to host seed boxes, porn sites and the like. You can probably get a much better deal if you're paying > 10k$/mo.
Even then, cloud bandwidth is insanely expensive. For example, Hetzner offers 1.3$/TB (if you happen to exceed their generous 30 TB quota). In comparison, Amazon is 70x more expensive at 90$/TB.
Hetzner is great. I'm running a site with ~45TB monthly traffic on 3 physical servers and it costs me just over $150. I would have to pay many thousands to any cloud hosting provider and it wouldn't pay off in my case.
Sure, if high availability is critical for you business and money is not an issue, it may be worth it. YMMV.
Even then, cloud bandwidth is insanely expensive. For example, Hetzner offers 1.3$/TB (if you happen to exceed their generous 30 TB quota). In comparison, Amazon is 70x more expensive at 90$/TB.