We should just redefine it to make the speed of light a nice even 300.000 km/s - we are so close already!
But it's already a nice round 10m/s in base 299,792,458.
Why stop there when we could just as easily redefine it to be 1 (new base unit of length)/second or 1 meter/(new base unit of time)?
But it's already a nice round 10m/s in base 299,792,458.