It's really cumbersome to create platonic solids in Fusion, especially more complicated models like the icosahedron. I'm someone who works with them quite a fair amount and this would drastically cut down on modelling them. Fusion is only really great right now for curves and cubic solids, but for anything more complicated it's a bit of a pain. I know a lot of people would use this feature a lot, ranging from professional to hobbyist.