Because obviously what I post here isn't all of it.
It's just the stuff I deem worthy of other people's eyeballs.
Yes, I have a legendary 'other account' in which I post most everything I sketch up. It's not a main account, as you can clearly tell by the name; ~I-S-Sketchdumps
I figure someone would want to see all my crap. Even the old shameful crap.