I think it's because no one standardized on protocols for addressing RGB lighting on RAM, GPUs, and motherboards. We at least have those ARGB headers fairly sta

I think it's because no one standardized on protocols for addressing RGB lighting on RAM, GPUs, and motherboards. We at least have those ARGB headers fairly standardized now, but wiring up even things that are slotted into the motherboard would suck (having just a few fans with those is already a mess). Also the manufacturers probably love it because it pushes people towards not mixing products from different companies.