>Because those specific people really made an impact with me and I want to KNOW if even one of them comes back.

I have people like this in my list too and other the ones who have passed on, I think that most will come back eventually. 

>More people coming and realizing the potential of this space than those that are leaving.

Yes, the potential is there, but I think that the slow growth will come as the platform matures, because it will realign the selection bias for more than those who are looking to get rich quick or even are just against centralized authority. As it evolves, the normies pick it up.