Did you check out the references in the article regarding the priest being sent away from his parish?
(“The Hidden Broad Road to Perdition”; http://spir-food.blogspot.it/2015/05/road-perdition.html).
Read it. Sadly, I think the priest needs some help. His letter to the Cardinal was all over the place and “sounded” to me a bit manic.
I don’t know whether a pastor can or can not prevent a priest in his parish from preaching a certain way. It appears as though the priest was spoken to many times about his homilies and chose not to make adjustments.
Additionally, he should have met the Auxiliary Bishop. To refuse the meeting was bad form.
Finally, the devil has been with us since the beginning. He will be with us until the second coming.