People don't know for sure, but the reason why everyone is guessing the 2nd one is because of the style and temple areas. Even how the hair comes down at the temple area is pretty trademark of a hair system.. However, this also can happen with people with a real head of hair as well. Its not like its only specific to hair systems, but they usually have that characteristic. The first guy got a hairy teenager hairline and temple points.. So if he really is wearing, its even less obvious. plus his upper temple areas that converge are cut short and don't have that going forward whispy type quality. I think these things play a big part even subconsciously why people pick number 2 out of the two pics