I've used Ubuntu daily for over a decade now. My two boys use it too. Right now I'm using the MATE variant. It just works. No issues with privacy for me becaus

I've used Ubuntu daily for over a decade now. My two boys use it too. Right now I'm using the MATE variant. It just works. No issues with privacy for me because I simply uninstall the relevant packages when the time comes, if it comes. Highly recommended!