Even if they built a larger rocket it would be better to pack more people, experiments or bring back more samples than poop. We got enough poop on earth, the b

Even if they built a larger rocket it would be better to pack more people, experiments or bring back more samples than poop. We got enough poop on earth, the bacteria would die due to UV and hard vacuum you could even decontaminate the left overs before chugging them out of the window on your way back home if you want to be extra careful.