Yeah this on all counts. Ultimately it's probably better to have a triple-layer for the keyboard from what I can see. The faceplate that the switches are mount

Yeah this on all counts. Ultimately it's probably better to have a triple-layer for the keyboard from what I can see. The faceplate that the switches are mounted on, the PCB and then the back plate. Could probably sandwich it all together easily. There's nothing wrong with dead bug though but on this scale and reliability requirements and mechanical stress, it's the wrong solution for the problem.