The Red Three undoubtedly benefited the most from the unexpected opportunity to harvest resources from the Blue Dimension.
What they could not stand was how Ketis just decided to reveal this capability and open up a gateway to another dimension without warning!
If the mechers, fleeter and collies received advance warning of what Ketis was about to do, they could have made much more extensive preparations.
They could have transferred in professional mining personnel from other star systems.
They could have designed better mining shuttles and mechs before producing them in large numbers.
They could have developed a much more thorough flight plan and schedule in order to optimize the use of the small 20 meters by 5 meters portal.
They could have sent in a lot of scientists and high-end survey shuttles to delve into the many mysteries of the Blue Dimension.