As much as I'll miss being able to type raw HTTP into an nc/telnet/openssl s_client when H/1.1 support is dropped, these are all caused by HTTP originally being

As much as I'll miss being able to type raw HTTP into an nc/telnet/openssl s_client when H/1.1 support is dropped, these are all caused by HTTP originally being a simple, textual protocol that got thrust into supporting connection reuse, "flow control" and a bunch of other stuff. All solved by H/2 and beyond.