not really. Considering Apple uses the same harddrives on the xserver servers.
Also there is no clear classification for a "server grade" harddrive. Now if they say it's a Enterprice class harddrive, then it might be a problem.
The issue is NOT the natural monopoly Google has on search.Just like the problem was not Windows' monopoly in the PC market.It is Google/Microsoft abusing their natural monopoly to enter other markets.