Why would this be surprising considering this is a thread about God?
Not that Joevol needs defending, but just in reading the past few posts it appears to me that his initial post was taken out of context. The complete assumption that he felt good because someone else felt uncomfortable discussing religion is not at all what he was saying... as he explained later.
Second, most who believe in God (and certainly Christianity) also believe in the Holy Spirit. And as stated in numerous places in the Bible, the Holy Spirit can be convicting.
On the other hand, I completely understand where you are coming from. I've seen people have some very emotional responses in churches and other gatherings. Some might say this was a result of the holy spirit, and some might say they were just caught up in the moment. I might fall somewhere in the middle.
For example, I've expressed very similar "emotional responses" while watching UT play football. That said, I guess I just don't see why someone would somewhat attack or question a guy for posting a religious type response into a religious type thread.