Unfortunately, not everything we buy off the shelf is as amazing as it appears. We found this with our Christmas Train. The options were throw it out, and mod it. I didn't really see that as a question...
For more information on setting up the RPI headless, head over to Episode 444: Raspberry Pi 4 DVR for more info, at around 7:15 in!
Upgrading A Christmas Train with Python and Raspberry Pi