In addition to the middlebox problem, most (not all, but most) of the things that send information over the Internet that aren't HTTP-shaped (incl. HTTP/2 and H

In addition to the middlebox problem, most (not all, but most) of the things that send information over the Internet that aren't HTTP-shaped (incl. HTTP/2 and HTTP/3) are worse than the best HTTP-shaped things. This makes sense: HTTP-shaped things are where all the energy is directed.