Ves initially conceived of the idea of the Golden Cat through learning about Lady Curver's neural network.
To pool the minds of the mech pilots together in order to achieve greater coordination was a difficult but rewarding way to increase the battle effectiveness of a unit.
Yet humans were individuals before they were part of a collective.
Even with all of the technology available to humanity in modern times, it was too difficult and dangerous to meld the minds of mech pilots together!
Neural interface technology existed long before the Age of Mechs. Due to the risks of experimenting with this technology, successful innovation rarely took place.
Too many people perished when an experiment went wrong!