Strange but true:
it`s actually the hub that supposedly needs to be compatible. Look at a the line that a spoke makes as it crosses between the hole in the hub and the nipple. With crossed spokes, there`s a little wedge of alminum that would need to sheer off in order for it to rip out. With radial lacing, there`s only a little bridge of material holding everything together. I`m sure that stouter rims are less prone to go Boing! than fufu rims under the high tensions that are needed on very low spoke count wheels too, but just being radial laced doesn`t necessarilly mean it has few spokes. And fighting on behalf of any little wheel, regardless of how its laced, is the fact that there`s less leverage trying to pull it apart than on a wheel with larger radius and the spaces between each spoke and the next wil be much less than for an equal number of spokes on a big wheel... which is why it can be a booger to get clumsy fingers between them to manage a tire pump. How the heck do those BMX kids with like 72 spokes on a 20 or 24 inch rim manage !?!