Yes, those salaries are already being paid, but why? What kind of grants are "Leadership" professors bringing in? What purpose are those professors actually serving students? In reality, Leadership Studies should be on the chopping block with the economy in the tank and reduced state funding. Instead, K-State builds a permanent home for nothing but pure waste.
It sounds like you're arguing to cut the program completely. Which I don't really have an opinion on either way. However, using your criteria (won't get you a job, etc.) it seems like there are probably a hell of a lot of minors/majors taht we could cut. i.e. conflict resolution, nonviolence studies, etc.
With respect to the facility, however, I think it's a great, multi-functional addition to campus. lecture hall, six classrooms, a student services center, resource library and study areas. It will obviosuly serve more than merely leadership minor students.
On top of that, the building is a positive improvement to campus, aesthetically and architecturally. I think there's some value in that.