They will have a leg up there because the on machines this LTSC version of Windows is made for, you shouldn’t be browsing the web much in the first place - intended applications are ‘ medical systems (such as those used for MRI and CAT scans), industrial process controllers, and air traffic control devices’
Yep, and talking about Jira, they only ended that support in March 2020.
And wow, according to Wikipedia, Microsoft still supports Internet Explorer on some non-consumer Windows flavors. Today. I find that actually pretty stunning, must be a huge liability to be running web-apps that breaks on non-IE, because that can't then be the only aspect at which it's still stuck in the stone ages.