Regarding OP. Splash isn’t the only factor in urinals alas. Ease of cleaning and the ability to stop junk. I’ve seen innovative splash less designs in bars. Usually a plastic cup upside down will seriously mess up the flow. People throw paper and gum and cigarettes in them. You need it splash free And robust.
(The idea isn’t new, of course: the default macOS layout’s 3rd layer is absolutely bonkers. I think Ilya Birman was the first: https://ilyabirman.net/typography-layout/)