For extra fun, even xfce4-terminal queries gsettings directly for the system monospace font, which means it doesn't follow the xfce default font setting either:
https://github.com/xfce-mirror/xfce4-terminal/blob/5a8581ff9cf2b300c3be5278652d7051517a88da/terminal/terminal-screen.c#L2658
For extra fun, even xfce4-terminal queries gsettings directly for the system monospace font, which means it doesn't follow the xfce default font setting either:
https:/ /github. com/xfce- mirror/ xfce4-terminal/ blob/5a8581ff9c f2b300c3be52786 52d7051517a88da /terminal/ terminal- screen. c#L2658