"Kill everything" generally means something like bleach, which is very effective but not so great for your hands. Anyway, I'm not saying that's the way it shou

"Kill everything" generally means something like bleach, which is very effective but not so great for your hands. Anyway, I'm not saying that's the way it should be, just the way it is. Selecting for compounds that don't kill eukaryotes is one of the ways you get your product on the market.