LOCK IT, BEFORE ANYONE ELSE GETS THROUGH! ARE YOU TRYING TO KILL US ALL?!
“The only moral it is possible to draw from this story is that one should never throw the letter Q into a privet bush, but unfortunately there are times when it is unavoidable.” -Douglas Adams, The Restaurant At the End of the Universe
Because its more fun to use a portal. I mean really. The away team COULD use the shuttle but its cooler to have your matter disassembled and transmitted as energy.
Don't be a stick in the mud traditionalist! Support global warming!