I think it's just shyness/awkwardness. Wendell from L1T used to look the same back when he was part of the TekSyndicate channel. Eventually he sharpened up his

I think it's just shyness/awkwardness. Wendell from L1T used to look the same back when he was part of the TekSyndicate channel. Eventually he sharpened up his appearance and his on-camera demeanor.