Some people figure they must have that other OS on their PC even if they have a mess of servers. There’s evidence of malware for that other OS that targets GNU/Linux machines and wipes them…
“The dropper for Trojan.Jokra contains a module for wiping remote Linux machines. We do not normally see components that work on multiple operating systems, so it is interesting to discover that the attackers included a component to wipe Linux machines inside a Windows threat.”via Symantec's research on South Korean attacks, in more detail.
It’s still not clear whether the authour of this code is a Linux-hater or that he appreciates that GNU/Linux is winning on servers and he can do more harm this way. I have used that other OS and GNU/Linux to manage GNU/Linux machines. It’s much faster and more efficient to avoid that other OS. I hated it when M$’s Patch Tuesday forced me to do a lot of work in a short time to keep things running or when it insisted on rebooting whether or not I could spare the time. A stupid OS from stupid people is not what you want herding your GNU/Linux flock.
I recommend Debian GNU/Linux because it works for us, not M$.