I feel like now, more than ever, the time is right for the EU's move to open-source to succeed.
Linux Desktop is now simply better than Windows, by far. Open office is good. There are many high-quality, commercially supported open-source products available now, developed by full-time, highly talented engineers.
There's every chance that this will work & breaking up oligopolies is great for everyone, not just Europe.
I wrote about this recently if you're interested: https://budibase.com/blog/updates/eu-digital-sovereignty-and...