This radio selection is brilliant silly, especially because the end result is indecipherable from a vanilla css rqdio button.

For some reason people keep going back to complex UI and interactivity frameworks though, does anyone have a good example of a large website built without all this bloat?

Asking because I've seen hundreds of small sites built with elegance and simplicity, and few large ones. Is it just inevitable that as a team size grows, someone introduces insanity? Do these tools solve an actual problem that I'm missing?