For me the problem was the wilderness years from around 2008 - 2018 where we were just shit all round.
Started falling away from being a big championship club, the plummet through divisions, ground shares etc.
No one could be arsed following a soap opera that was being gang raped by its owners.
Whatever way we look at it people lost the bug, found other things to do, just got out of the habit. It will take time but a few more seasons of pushing or being in the play offs like the last couple we will get to around 22k home fans and thats perfectly acceptable.
On the plus side, my cousin and best mate who i have an ST with got their first ST's since 2011 this season, because they started enjoying going up again last year. Would never have happened a few years back. On top of that, the amount of kids i now see wearing CCFC clobber at my lads secondary school, daughters primary and in general around the city at play areas, trampoline parks all that gubbins is 20 fold compared to the L2 dark days.
The support is coming back but we just need to maintain what were doing and make a real push next season and you watch the gates rocket