You clearly haven't read the full article as Jim Salter writes about the mechanical stuff at the end of the article. Also, you want to reduce vibrations becaus

You clearly haven't read the full article as Jim Salter writes about the mechanical stuff at the end of the article. Also, you want to reduce vibrations because of this: https://www.youtube.com/watch?v=tDacjrSCeq4 https://www.youtube.com/watch?v=tDacjrSCeq4 (Shouting in the datacenter)