Because space isn't this thing where you eject stuff like a garbage chute.
I recommend reading up on rocketry, orbital mechanics, and modern space programs because a) it's really cool stuff! and b) you'd quickly realize how ridiculous, dangerous, and counterproductive this suggestion is.
I recommend reading up on rocketry, orbital mechanics, and modern space programs because a) it's really cool stuff! and b) you'd quickly realize how ridiculous, dangerous, and counterproductive this suggestion is.