Spidertrons are eternally stuck following last driver, even when driver is on a different surface, which ends up creating a very funny behavior where spidertrons in all surfaces are trying the exact same route with no wandering around the factory, besides being funny this is annoying because the spidertrons end up on biter nests/pentapod rafts or dying to lighting storms in fulgora.
This happened in a very modded overhaul playthrough and a less modded more vanilla-like one, im more than willing to test in other situations without other mods or give any useful information, i like this mod a lot but this (bug?) behavior sadly makes it unusable in space age for me.