I use to belong to MARS and back "then" it was a very good thing. Now, there are just so many avenues (via technology) to pass information back and forth I just don't see a real demand. Good to keep up skill levels but I think the ranks are thinning. There use to be hamfests and a MARS meeting I would attend and you would be taking home scads of surplus stuff and that was nice, but that too stopped years ago.
I don't see much need for traffic nets or hurricane nets or whatever they are called. The last thing one needs is to be fiddling wiht radio during something like that, perhaps the aftermath, sure, but there is so much technology out there to do the same, faster and simpler....