She's not a wizard. She's a witch.
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The issue we face is that Nod, being the smaller, somewhat more mobile entity vs us, has the benefit of being able to - Kane willing - focus their xenotech for specific engagements. This offsets the lower economy of scale they suffer from at the battle/campaign of their choosing. That could prove critical to their success. Look at the naval battle vs Bintang in the Regency War. Kelpies are xenotech, and she held on to them to achieve significant advantage over GDI air units in that battle rather than use them in convoy raiding. Krukov's use of the Bogatyrs was critical in his attack on Murmansk, and it was only crazy orbital drops and a spare engineer that kept him from completely walking back out after punching us in the nose. Plasma Scorpions showing up was another nasty surprise.
GDI, OTOH, must defend everywhere as if was going to be the focus because we can't rely on getting sufficient intel to steal a march on Nod offensives again. So our greater economy of scale is offset by the vast area we have to defend. Likely we'd have to at least stage QRFs in various spots to respond in a semi-reasonable time with a higher concentration of xenotech units of our own, giving Nod time to hit and fade before reinforcements arrive that can properly engage them. This causes greater casualties on our side with little to nothing to show for it unless Nod decides that they want to find out after fucking around.
Thus, we need to get the IHG refits rolling harder (not necessarily this coming turn, but Soon), get that STU Planned City going after Karachi, and push what tech we can towards better STU production (Gen 2 plates is a step along this, right?). We can't fuck over our forces on the ground facing Nod, simply to gear up a space force more. Because if we lose the fight for Earth vs Nod as a result of them continuing to leverage STUs and xenotech while we don't, SPACE WON'T MATTER.
...How the fuck do we get from "GOTTA HAVE DRONES! NO DRONES MEANS WE'RE LETTING GOOD PILOTS DIE!" in the Regency War to "Let's skimp on planetary military STU use so we can put it in space or the economy~ Our boys will be fine"?
Do note, I'm not saying STU the fuck out of our Next Gen stuff, but we gotta start pushing the envelope more on integrating this stuff, or we could end up in a 2060s version of Desert Storm on the battlefield... and not in the role of the Coalition forces. How many losses at WW1-2 scale would GDI's citizenry accept without potentially fatal backlash because we decided to be stingy with STUs for non-space military? How bad would the military's morale be at that point?