Agreed, good post.I think it is true we now have a large portion of supporters, like your janus types, that actually don't really care for winning flags anymore but are just happy to be part of it all and sing NTUA at games while we are still winning enough home and away games to let them cheer the odd win.
If the team bottoms out again and all those types aren't getting the sugar hit of the odd home and away win, they will drop off and the club will be in real trouble. But while we win more than we lose, the club are happy to hold that line and keep those supporters happy rather than those that grew up actually expecting premierships
The club doesn't care, they replace the stuck ons easily but like you said, when going to the footy is not much fun any more they will find other entertainment.