Why The Assumption About Geeks?

Today on Facebook I saw this pic with the “Caption this” prompt:

Most of the captions were things like, “Must be nice to still live at home.” “Still living in mom’s basement.” “Still living at home.” “The joys of still living at home.”
Why? Why this assumption that if you are a geek or a gamer (or both) and have a large collection of things reflecting that then you must still be living at home?

Nobody looks at a post of someone’s thousands of dollars worth of hunting. camping, or fishing eq...