With the recent world wide outage

[Snuffy]

There are things to be said about retaining technology.

How Windows 3.1 is saving Southwest's butt | Digital Trends

Southwest hasn't been impacted by the CrowdStrike outage, and that's reportedly because it's still running Windows 3.1.

www.digitaltrends.com

 

[Dangerousdave26]

It wasn't that many years ago that most of the voicemail systems I worked on were DOS 6.22. they always worked much better that the Windows server versions.