Luckily, to replace most of the Office applications, their respective online web applications work very well. That wouldn't be a major issue in migrating to Linux.
Fascinating! The wine discovery reminds me one scene from the book 'The Dark Forest'[0] when the protagonist drinks a wine from some centuries before... spoiler: it wasn't good.
That's the point, but often in many network issues, the name resolution is the root cause of the problem. Not necessarily the DNS itself. Sometimes the /etc/hosts is more than enough to cause headaches!
https://boa.realm667.com/?view=article&id=270:blade-of-agony...