Earlier quoted context omitted.
> most mainstream software from renowned companies should be [...] classified as malware. Most FLOSS has not fallen in this category.
But even a significant portion of FLOSS can be legitimately called spyware. Firefox, Chromium, Docker (although Docker Desktop is no longer open source), Homebrew, Mattermost, Netdata, Bitwarden - all of these are common, popular FLOSS that embed spyware, oftentimes operating silently (other than a little notice at install time that the authors think constitutes informed consent). The spyware epidemic is real, and FL…
Caddy v1 also came with telemetry, but it was trivial to rebuild it with the telemetry switched off. The best you can do with closed software like Windows is to apply a hack and hope it's not undone after an update.