What element of caravaggio's painting style was the subject of criticism and occasionally deemed inconsistent with the artistic guidelines established by the council of trent?

I believe the correct answer is his brutally naturalistic renderings which were deemed unsuitable for religious subjects by the Council of Trent.

The brutally naturalistic renderings were the element of Caravaggio’s painting style that was often deemed as unsuitable for religious subjects and occasionally seen as deemed inconsistent with the artistic guidelines established by the Council of Trent, an ecumenical council of the Catholic Church.