Opportunism? An Argentinean Bishop "Bans" Baroque Vestments

Monsignor Santiago Olivera, 65, the military bishop of Argentina, on 13 September "banned" the use of baroque chasubles and maniples at Eucharists.
Caminante-Wanderer.Blogspot.com (19 September) calls this ban "surprising and absurd" and "not very synodal" with regard to the priests and their legitimate liturgical preferences.
"By what authority can a bishop determine the style of vestments his priests may or may not wear?" - he asks.
To the objection that Benedict XVI often wore baroque chasubles, Olivera has already responded: "Pope Benedict is no more." Caminante asks: Will he treat Francis in the same way once he is "no more"?
The rubrics of the Novus Ordo [which nobody cares about] say that the priest must wear a chasuble when he presides at the Eucharist, Caminante points out, and baroque chasubles are chasubles.
Caminante notes that Monsignor Jorge García Cuerva, Archbishop of Buenos Aires, is often seen celebrating Mass wearing only an alb, stole and pallium, but no chasuble …More