[brokenparser]

That's not true, your browser still handles caching just fine. More bandwidth trumps caching anyway, and caching forward proxies will be a thing of the past.

[asabil]

Heh, bandwidth can help, but caching helps primarily with latency.

[brokenparser]

The latency benefits of an extra caching layer are minimal, especially since HTTP pipelining and CDNs will continue to exist.