As with nearly everything in astronomic optics, it’s named after people associated with its creation. Robert Jones and Thomas Bird are the two in this case. Here’s a thread on Cloudy nights with good info.

Cool, but tricky. It’d have the effect of simply contracting out loads of positions to sketchy labor companies

In fact, in a few certain situations you can actually purchase higher-end hardware than the pros use. UCI has restrictions on shape and weight that need not apply to non sanctioned riders, and there are improvements that are available in both aero and weight. Notably, Triathlon specific bikes are often markedly faster than UCI compliant bikes due to the aggressive aerodynamic optimization.