In the ancient world, the people who needed to be evangelized were outside the walls of the Church; today they include thousands who are inside, but who think just like those who are outside. When the Gospel is proclaimed, they complain.
The world is full of the whole spectrum of beliefs, and our Lord, through His church, is engaging with all of them. Recently, the pace of conversion has quickened dramatically--of course, not as much in the post-Christian western world--and we can see, and join with and support, many excellent efforts, new and old. As the author was quick to assert, "The same Christ knocks at the door of the same human heart..."