And not just stop you or refuse to activate the card, but to intentionally cause the hardware I purchased to irreparably malfunction as long as I attempt to use something you didn't sell me.

Of course, I can use a USB wifi card, no problem. Just the convenient PCI card inside the system that is specifically designed to enable a wide variety of functions aside from wifi that is locked in the BIOS just in case I wanted to use a 3rd party card of a specification that you don't happen to sell.