I know some had quit or really slowed down on posting even before the crash of BT.
For a variety of reasons -
some found that even being at the computer/desk was not at all good for their sx.

Many may just read and not post or not even participate on forums much at all.
and I'm sure some have improved and moved on
some stay and check in
some have have returned to a more normal lifestyle and just don't have the time for posting.