I'm not sure why it's "sad" that we don't have 24/7 monitors here, given relatively how few problems we have despite our large membership. Yes, it would be ideal, but I don't think the opposite of ideal is "sad."

Back to the OP's question, I think different members use the forums for different reasons. And we don't always have to fully understand those reasons if they're finding it helpful... or occasionally forget to PM something that might work better as a PM.