I wouldn’t be too quick to declare victory. Fr. Serpa, himself, noted that the section only adds to the blurring of the lines. Ecclesiae de Mysterio, written in 1997, nine years after the Book of Blessings came out, was promulgated to clear up those lines.
I would suspect that if the Holy See is starting to look over ICEL’s works, the ritual books will probably be the next ones to be examinied under a microscope.
Liturgiam Authenticam came into being because a former Prefect for the Congregation for Divine Worship and the Discipline of the Sacraments, Jorge Cardinal Medina Estevis, found fault with the ICEL translations for the Rite of Oridnation and, eventually, the Roman Missal.
The provisions in the Book of Blessings isn’t as cut and dried as one might think, especially if these blessings are to be imparted within the context of the Mass.
Since we have already established that they laity do not impart blessings (and, at least the Book of Blessings makes that clear), it really makes no sense, as I see it, to come before an EMHC or whoever and have them pray over me (something that I can do for myself) when I can just wait for the priest or deacon and actually receive the blessing.
Down here, the aveage attenandance for dailiy Mass, Ash Wednesday notwithstanding, is about 30-35. First Fridays have more folks. Nonetheless, the priests do not call up an EMHC to come foward to help distribute Holy Communion for so few numbers. That being the case, they certainly don’t need help to bless the throats.
In fact, the Book of Blessings carries an interesting provision if the number of folks at Mass is to high to carry out the blessing:
1635 If all cannot be blessed individually, the celebrant, without candles, extends his hands over the assembly and says the prayer of blessing.
So, this provision could, in effect, eliminate having lay people involved in assisting the priest.