Don't worry I'm European and 90% of developers I know think exactly like you (and me). It's just that the HN crowd is typically North American, and people tend to like what they have grown with.
I'm also European, and I prefer Linux over Windows. I was using Windows and Linux in parallel for some time, but got really upset when a Microsoft Update changed system settings which was the final nail in the Microsoft coffin for me. At my last two jobs I have been using Linux as my main driver and sometimes Widows via Citrix. Now at my new job I will get a Macbook, which shouldn't be a huge difference to Linux since I already try to install most tools I need for work via Linux-Brew.
That all being said, for me a non Windows desktop at work has become a requirement. If an employer would force me to use Windows I would most probably ask for much more money or more likely leave for another company.
In my experience the Windows-Linux split is around 50-50, but I've only seen exactly two people with Apple devices in my entire life here. Western Europe.
I live in Europe and 95% of the engineers I've worked with here in major companies use a Mac. A few use Linux, absolutely no one I know (300+ developers I've interacted/paired with in the past 7 years) had a Windows machine. Not a single one.
Sony Mobile is definitely a "modern tech company" and they are Ubuntu first. At the same time a company like Volvo or ABB is these days probably 60% software development and at most 40% mechanical engineering.
Industry/hard engineering companies here do tend to go Linux on their SWE machines, I've interacted with multiple SWEs from Volvo and Ericsson on some of my employers' projects (again, including pairing sessions) and none of them were Windows users. Mostly Linux and Mac.
Software companies do skew extremely into Mac territory, I really don't recall anyone ever using a Windows machine and very few run their ThinkPads with Linux, the vast majority have a Mac as a daily driver.
Outside iOS projects, and our designers, I have seldom see people use Mac's.
In fact our Java folks get macbooks as option, and eventually many of whom end up migrating to ThinkPads with Red-Hat/Windows, when starting to deal with complex workloads.
On the .NET teams everyone is on Windows ThinkPads.
All the European developers I worked with in Berlin used Macs. I can understand using Linux, but using Windows as a web developer just doesn't make sense because all of the tutorials and stack overflow discussions and forum discussions will assume you're using a Unix shell.
This is such an odd extrapolation. You can see tons of Macs or Linux in use in Europe, at conventions , in lots of dev communities, in design studios.
I suspect you’re in a self selected bubble. Which you sort of allude to by saying “developers you know”, but I don’t see how that extrapolates to the continent as a whole.
That all being said, for me a non Windows desktop at work has become a requirement. If an employer would force me to use Windows I would most probably ask for much more money or more likely leave for another company.