My layman guess would be that shortly after formation Earth was just a ball of lava that destroyed every organic component so when the surface solidified it was sterile.
One thing that I haven't seen mentioned here is that shorter line limits (80, 120) make my life easier for non-trivial merge conflicts and diffing changes.
Yeah, I can't reach out their website from Denmark for some unknown reasons. On top of that the most recent update of their RSS feed server fxxxd up my news reader so I'm even less inclined to see whatever they do because it looks like they're not very competent technology-wise.