The model that looks like Morgan of Slenderman fame has a new gig (pictured). Ah yes, so many have forgotten about her even on /x/ but not me. I've remembered both Morgan and the look-a-like.
My guess is just that OP is non-white. The idea that "all _____ look alike" comes from the fact that people really do have a harder time recognizing faces of people from other races.
1. Nothing on 4chan has ever been worth rereading.
2. People who spend time with gorillas, whales, or any other animal learn to differentiate the types. It is purely neurological and has no genetic basis. If you spend time among things, you'll learn to differentiate them. You haven't surpassed Greebles tier reasoning.