The arguments against systemd come from the same people that love IRC, mailinglists, tiling window managers, split keyboards, don't have a mouse, debug with printf, main arch or gentoo, unironically write RTFM|LMGTFY, call users "lusers", play DnD, think Startrek and/or Star Wars cannot be topped, identify with the portrayed super hackers in media, and are proud of doing things the hard way just to feel some kind of superiority in their life.

Edit: for those who don't get it, I'm obviously not being serious. If you fit this mythical, stereotypical person... uh... good job?