Qubes on Live USB drive or on hard disk?

I have heard that it is safer to use Qubes on a live USB than to install it on a hard disk.

My desire with Qubes that I’m using together with Whonix is privacy/anonymity. How is the live USB option better for those desires?

I think you misheard, i guess it’s Tails not Qubes

Ah okay. So it doesn’t make any difference for Qubes?
But where is the difference for Tails then?

Qubes is not meant to be run as a liveOS. I believe they stopped live images support a while back in QubesOS. (Check the downloads page).

Tails more fits that purpose, and successfully.

did anyone know when this complete