Summary: Norway's adoption of GNU/Linux was noted here last year; it has since then increased a lot; if one counts mobile devices as well, not to mention ChromeOS, it's looking far worse for Microsoft and good for "Linux" as even in rich countries we see that it's not about price but about control/freedom
Setting up several reliable copies of the data, plus several off-site backups (this data is nowhere as sensitive as medical data), should only cost a few grand
If someone (or someones) calls you paranoid for taking about "beacon"-like functionality, there will be no lack of authoritative citations (e.g. Web links) they can be provided to prove them wrong
There's no "anti-AI" (it's not even AI), there's opposition to fraud, to plagiarism, and to companies that profit more when there's global warning (caused in part by their business activities)