Should US citizens get a “Consular Report of Birth Abroad of a Citizen of the United States” for their child born abroad?

I recently read an article making the case of not registering the birth of your child with the US consulate. It is echoed in the following post on the Isaac Brock Society website http://isaacbrocksociety.ca/2013/09/12/falling-proportion-of-america-emigrants-requesting-consular-reports-of-birth-abroad-for-children/ : What happens if you don’t register your child? If both parents of a baby born abroad are U.S. citizens, or one parent ...