Come on now. Why dirty a nice flamewar with nasty facts when you can have a stew of speculation and imputations of bad faith and attacks based on myths which are debunked in the very article this is a comment thread for?
The only thing we're missing is a nice car analogy! So let me provide one.
systemd's an Edsel with the trailer and aircraft-carrier-catapult attachments, sysvinit is a Peel Trident. (I just want a Volvo.)