I think I miscommunicated a bit. I'm not suggesting you should be routinely breaking these rules with cubic Béziers. Rather, I'm saying that if you had a better

I think I miscommunicated a bit. I'm not suggesting you should be routinely breaking these rules with cubic Béziers. Rather, I'm saying that if you had a better underlying curve family, you wouldn't need these rules, as you'd get good results even with a freer approach to designing curves. That's basically the hypothesis we're testing.