That has mellowed somewhat over the past few years, partly because tmux — I must admit — is leaps and bounds beyond what screen can do, but also just because there are other options too.
Any of those three can do … somewhat something similar to what screen does, and have probably all seen more improvements over the years than screen.
I hold no one responsible for screen’s slow spiral into staleness; in fact, if anything, that makes screen quite easy to figure out: There is plenty of discussion about screen and how it works … even if some of it isn’t flattering. 😯
It may be the ugly stepmother of terminal multiplexers, but you can’t deny that it does what it claims. And in the realm of console-based software, that alone is sometimes enough to get by. In my book, anyway. 🙄
Postscript, 2014-04-20: Wouldn’t you know it, only a day after whining about years without updates, this trickles down the pipe to my lowly Arch install.
You could knock me over with a feather. 😯 Ask and ye shall receive, apparently. 😕