I'd bet the kneejerk reaction to any math notation would be »Why would anyone use this when we have TeX?« (heck, it happened here despite the comparisons). Comp

I'd bet the kneejerk reaction to any math notation would be »Why would anyone use this when we have TeX?« (heck, it happened here despite the comparisons). Comparing to the status quo or prior art is hardly out of place, I'd say. The author certainly didn't invent this without looking at other math notation approaches first, and even met with Knuth.