I missed Grant Wilson...I found him to be honest, down to earth and really interested in the investigation. To me he was the rock of the original Ghost Hunters. I do miss the original cast, but after Grant left it seemed to me the group and production started to look like the Ghost Adventures- too dramatic.
The original Ghost Hunters show was at the forefront of these paranormal ghost hunting shows. Their focus was to find the truth and debunk as necessary, but after Grant left the show changed its focus and it targeted audiences that wanted to be “entertained” and strayed from the original concept (frankly I thought Jason changed). I suspect that may be part of the reason Grant left was because he didn’t want to go in that direction. I watched Ghost Hunters from inception, I’ve also watched Ghost Nation because I like Steve and Tango...I prefer Ghost Hunters reboot. But if the 4 guys reunited, and went back to basics, I think they could recapture their core audience again.