The alternative explanation being that he's at the evolutionary stage of an internet denizen where he can already tell a post isn't worth posting when he sees it in the thread, but hasn't learned to use the "abandon post" button yet 
The first step is much harder to make than the second, though - so presumably, someday soon you'll stop seeing these deletions 
On topic though - anyone else notice how there aren't Shaper-themed sleeves? Damn shame in my opinion, SMC is one of the prettiest cards ever.
