Honestly, I worked at an electronics retailer and I had to burn 200 copies of the same disk image, twice a year, for the RPI. I can't remember if I used gnome

Honestly, I worked at an electronics retailer and I had to burn 200 copies of the same disk image, twice a year, for the RPI. I can't remember if I used gnome multi disk writer or Balena etcher, but the "10x card readers on a 10 port hub" did the trick, and was relatively painless. there's no way my company was going to pay for this. Performance was limited by the SD card rather than the equipment. Does each unit in the Daisy chain have a screen? Can you buy secondary units that don't have a screen? Seems to waste screens after the first one. Also I'm really tired of growing acceptance of e-waste. "Burn 1000s of USBs at trade shows and throw them around" - QR codes are technology. Just print out a QR code that goes to an interactive website.