Xilinx (now AMD) does really only make FPGAs (and some CPLDs I think). However that could also mean a lot of things. For all we know they could be old as all hell and be like Spartan 3 devices, which aren’t very big. Or they could also be more powerful, and thus scarier.
Are you trying to remember the comedian this joke is from? If so, it’s John Mulaney in The Top Part