I understand the interference issues your location presents, that’s unfortunate.
As I understand it, the tooling for the injected molded case has been completed, and being under the gun to bring this project out of the hole on time is paramount.
Still being under development, and looking down the barrel of a deadline is motovation enough to prevent any delay you have control over. Backing up to redo an element that has been completed would qualify.
As with anything under development, I have no doubt that other ideas for improvemen have surfaced as the project evolves, but because of time commitments those will have to wait for the next iteration when the staff will have the luxury of time.
Based on what I have read on the forum, you are not alone in the desire for a wired connection, and from what I have seen of Glowforge, I fully expect they will respond to their customer’s input - but not for us, not this time - at this price.
BTW, the GoTorch control came with an LPT to interface, So we were fortunate to have an old box around that sported one.
Man, those pi’s and arduinos are really quite remarkable for their capability, versitility and price for components.