If you are complaining about the fact that this phrasing suggests that jmilikin does not agree with management's stated reasoning then again I don't understand where you are coming from. I have seen some startups where every employee always agreed with all corporate decisions, but those were single-person startups that had not yet made their first hire. Disagreement is normal. Handling disagreement well is a sign of maturity. Being open about the reasons for the disagreement while still going along with it (and avoiding personal criticism) is a sign of maturity.
If anything, this reply reassures me. I think that the insistence on the use of "real names" with G+ and the use of G+ with all their offerings (even in the face of vocal and well-reasoned opposition by their userbase) is a sign that Google may have lost it. Hearing the reasons is (slightly) reassuring. Perhaps there is a misunderstanding which will eventually be corrected, rather than a conscious intention to screw over their users.
What would you have written?
(I must admit I did shake my head at that and think "even at _Google_?")
It's just a far cry from "do no evil", and the tone is wholly different than what I heard from early G employees, back in what I respectfully have to consider their heyday.