Speed is important do not minimize it. There is more to pitching then speed but that is the best staring point.
I agree that speed is important, just not paramount to success. Blazing speed without command and movement will only take you so far. My point is that if you work the mechanics to develop command and movement, the speed will come. I have not really worked with my DD on speed since she was a Junior in HS, and I would say her speed is acceptable. But it is her command and movement that has gotten the job done.