Why is the lobby in the low limit NL Holdem games so dead?
besides HU there are no .5/1mB games to opensit
Well at least in the US at the time you posted this, most people are either at work or in school. And/or they blew their roll over the weekend and need to buy more bitcoin and get it onto the site which might take a bit of time to reload. Just my guesses.
But it doesn't answer the question why I myself cannot
opensit those tables. Meaning there is not even an empty table available.