The major reason for the predominance of the PCI bus in the latest models of PCs is that

PCI stands for "Practically Constant Interruptions." You see, the major reason for the predominance of the PCI bus in the latest models of PCs is that it allows you to constantly interrupt your work with a new hardware update. Need a break from that important presentation? Just install a new PCI card and enjoy the thrill of troubleshooting for hours! Who needs productivity anyway when you can have endless interruptions, am I right? Happy PCI-ing!