Because, er, you never know what profound effects for humanity there will be, if we can make teh tarik in space. Imagine, instead of sucking up dry liquids from an airtight pack, astronauts can make fresh, floating teh tarik in zero gravity. They don't even have to aim the cups properly, just let the liquid mass bob along in space until you scoop it up in a cup. Let's all make teh tarik in space.