> Also anyone who’s worked in a lab trying to keep some Lb plates sterile would immediately see how difficult it would be to keep an earth sized Lb plate steril

> Also anyone who’s worked in a lab trying to keep some Lb plates sterile would immediately see how difficult it would be to keep an earth sized Lb plate sterile if the galaxy has a ton of life harboring planets. Unless you worked in an enormous vaccuum, I'm not realy sure how that's supposed to be comparable.