Getting an email every day to say that someone has replied and then you click on the link to discover that it is useless information is becoming somewhat annoying!
Could I suggest that you unsubscribe to the thread then? As you rightly summise, there is no recruitment at present, therefore highly unlikely to be any new top tips for getting through the interview.
What it is doing is providing the odd snippet of information from within to those waiting with bated breath. Is that a bad thing?