[dontlaugh]

Which will also become a historical artifact as new protocols are made to use little endian.

[nineteen999]

For which protocols? TCP/IP itself is network byte order all the way down to the bottom of the jar.

[dontlaugh]

For example, Cap'n Proto and QUIC are both little endian.

TCP is becoming increasingly less relevant, although I don't know if it'll ever actually disappear.