It's all about reproductive potential. Girls have low reproductive potential and naturally shouldn't waste it while guys have high reproductive potential (millions of sperms.
Imagine people 300 years ago. They couldn't even begin to comprehend the technology we have today. Now how could people today even begin to comprehend the technology that these aliens MAY have that...
Ah just another day on the misc where people mercilessly try and put others down to make themselves feel better. OP is probably just mad because his manlet size hands can't even fit around a...