The phrase "true conversion" refers to a sincere and genuine change in beliefs, behavior, or way of thinking that occurs within a person. It implies a deep and lasting transformation rather than just a surface-level change. Full definition
That being said, i do believe he has had SOME kind of true conversion especially being a baptized Catholic. (religion.blogs.cnn.com)
We are like alchemists who refuse to give up on the belief that we can experience true conversion... deep, lasting and transformative change. (nakedpastor.com)
However, oftentimes it's looked at as more of an afterthought than a true conversion optimization tool — and that in itself could be killing your conversion rate. (blog.kissmetrics.com)