Use a urinal while wearing shorts and you'll change your opinion. I avoid them as much as I can preferring to sit, but sometimes that option is worse than the urinal..
Well, it doesn't work so well with morning wood, but at all other times I aim toward the bottom so the pee's hitting the back wall at less than about a 30° angle. I guess compared to sitting there's gonna be more splash back, but even with shorts I don't really notice anything. I'm sure it'd be different if you power blast the wall or base at 90°.
Maybe it depends on the urinal? In the US I have seen urinals that basically reach from the floor to your waist, which I imagine involves some splashing. Here in Europe I've only seen the ones that are way smaller, around waist height.
Those aren't so common due to cost. But those have the advantage of allowing someone who is tall and someone who is short to be able to comfortably pee.