Yeah, because raids is the only thing that exists in this game?
I mean, yes, you make a very good case for how it doesn't matter to
you whether you see the movement speed. But you're completely oblivious that not everyone plays the same style, or even race and class as you. To me it mattered, both because I want to know how to optimize my run speed over a longer time duration, and because I like to know how the mechanics work and interact.
And come legion I'll have to rely on add-ons for that information. Now, it isn't the biggest deal in the world, but it feels really unecessary and pointless, and is just another nail in the coffin about Blizzards continually dumbing down of the game.