Because the dude responsible for beaming them up is gay. Just like the original Scotty from Star Trek.* For real, yo.
*This statement based entirely on the time he offered to buy me a drink at the bar.
Why Terminators Always Travel Through Time Naked [gizmodo]
Read More: aha!
, beam me up naked scotty
, i knew it
, sure why not
, time travel
, yow yow