Possibly these very negative posts do serve a good purpose.  By scaring away speculator noobs who are here just to make a quick buck and don't really understand what bitcoin is, it reduces the risk to the rest of us that someone will lose a pile of money, run to their congressman to whine about it which in turn brings a lot of ill-conceived government regulation.

By maintaining this as a community of bitcoin devotees who understand this is more than a get-rich-quick scheme, we will grow more steadily and on a firmer foundation.