No, it’s just remote. Remote desktop is now also called Windows, also the operating system you are connecting to is called Windows.
Gnome has relatively good rdp support, so with this you could use Windows (the app) on Windows (the os) connect to you Linux machine running Gnome.
It seems deliberately confusing naming is working as expected, Microsoft marketing team should get extra raise.
While I see DXVK was important, Valve’s history with Linux is much older. I would place “anime girl thighs” on the second domino
SteamOS was first released in 2013, just before they released there first hardware running Linux, the duly forgotten Steam Machines in 2015.