iirc L-aminoacids and D-sugars, that is these observed in nature, are very slightly more stable than the opposite because of weak interaction
probably it’s just down to a specific piece of quartz or soot that got lucky and chiral amplification gets you from there
also it’s not physics, or more precisely it’s a very physicy subbranch of chemistry, and it’s done by chemists because physicists suck at doing chemistry for some reason (i’ve seen it firsthand)
is the evil funding man going to eat the gimp pepper