I think your comment narrows down only to medical devices. While I have noticed this problem mostly in workstations used by hospital administration which are ne

I think your comment narrows down only to medical devices. While I have noticed this problem mostly in workstations used by hospital administration which are networked and more prone to viruses. In any hospital, communication between departments is as critical as life support systems. Many times a malware infected system can cause minor but significant annoyances like sluggishness to random reboots. Thanks to a rich malware ecosystem, these systems are almost always based on Windows. So, I don't think that the anti-Windows sentiment is unwarranted. The visitors themselves see the ominous Blue Screen of Death on screens from time to time.