Have you read the PR linked above? The submitter points out (when the maintainer starts getting defensive) that Zen has more social trackers whitelisted than Firefox (not even Librewolf). Which going only by that metric would put Zen as the least privacy-focused browser among the other forks, contradicting their own tagline.

Linux can read and write to NTFS drives just fine. Just make sure you’re using the newer native (in-kernel) driver, ntfs3. The older user-mode driver, ntfs-3g, still works but has much worse performance, which I guess should be a concern if you’re going to run games off of it (ntfs-3g is fine for casual use)