Personally I'd like for the site to continue. However, I understand why it is possible that it might not continue. Personally I;m not on Facebook. I refuse to join Facebook. I'm not interested in being part of the Facebook community.
I would love to see more people on her being active participants. However, there is no way to guarantee that that will happen. I have found a variety of informative tings on here. I expect that people on here are well informed. I don't have the same expectations from Facebook.