There are centuries of history, from well before the Reformation, of people objecting to doctrines and practices of the Roman Catholic church. The objections of the Reformers have never been resolved. How can we resolve them here, when the magisterium has not changed anything since then except to add more objectionable doctrines? I believe the Reformers were right; and the differences still remain today.
There were centuries of people objecting to doctrines and practices of the Roman Catholic Church. We call these heresies.
But in the interest of education and mutual understanding here is some information on the Catholic Counter-Reformation