Solve that by specifying the filename. You can use {date|YYYY-MM-dd}
to get the current date in the format the wizard usually uses.
This should work:
Toolbar "NJM - Places" CLOSE
Toolbar "NJM - Places (Surface)"
dopusrt /acmd Toolbar SETDEFAULT=quiet
Set FONTSCALE
can adjust font size on the fly, but it's not really meant for adjusting the global font configuration.
You can make it do that (with a few quirks) using scripting, though. The main quirk is you'll have a little icon indicating the font size has been adjusted from the normal size.
This script does that based on the layout name, but you could edit it to work based on the computer name, or an environment variable, or something else: