I'll admit to not having read through this, but I'll just shove my two cents in.
What lead me to find the BBS interesting in the first place is generally not allowed anymore. MickTheChampion, TheAbominableMatt, Williwowza, HotActionYiffFur, BigExplosions and quite a few other users made me laugh with their threads. Those threads would normally be instantly locked and/or deleted now.
Have a look at my userpage. I've linked a load of threads that made me love this place.
But now I feel like making any of those threads or posting in a thread like them is an insta-ban and the threads left open are 12 year old kids talking shit like 'omgz my teecher told me to go to datenshun' and 'i like a gurl what do i do?' as well as parody threads (which are never fucking funny) parodying threads that aren't any good in the first place.
It's hard to summarise. Basically when I go online I'd normally come to Newgrounds because I find it funny but now it just seems like a place where I come to see if I get punished for small crimes.
It's like telling the police to come watch you jaywalk so that you can be fined for it.