

Yes, especially if it’s your first distro and you haven’t learned habits from non immutable distros. Distrobox and flatpak cover most, and technically, you can install other stuff with rpm-ostree, at the cost of some space and longer update times the more you layer on.
I doubt it. Even the article claims that there’s been no news about layoffs since July. No mentions from laid off engineers online either.
July isn’t “days before”, unless you’re really stretching “days”