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Good example with the Olestra TM.

However, my main point is still unaddressed (as you honestly admitted). Why did only 1 type receive this ability in a racemic mixture given the conditions I layed out? You say it "did have to be" one of the two, but there is no reasoning for this, given the relatively infinite amounts of energy and resources being given to earth at that time (if that weren't the case then NO complex molecules would be able to form for thermodynamic/entropic reasons).

If somehow magically this were the case, I could hypothetically see how L type would get predominant. However, the problem of the 'why?' is insurmountable and therefore any theorizing given the amount of data we know is fantasy (IE without evidence). And that is why panspermia (or its equivalent for self-replicators) is the best explanation since it actually has evidence to explain chirality--that the amino acids are L type on those space bodies. Although it doesn't explain why......

However, my main point is still unaddressed (as you honestly admitted). Why did only 1 type receive this ability in a racemic mixture given the conditions I layed out? You say it "did have to be" one of the two, but there is no reasoning for this, given the relatively infinite amounts of energy and resources being given to earth at that time (if that weren't the case then NO complex molecules would be able to form for thermodynamic/entropic reasons).

It's extremely improbable that a coin properly flung would come to rest standing unsupported on its edge, despite the utterly equal probabilities before the fact of heads versus tails. After the fact, it was one thing and not the other.

The L- stuff and the D- stuff are generated together, physically mixed together, but don't mix chemically. They exist in sort of parallel, mirror image worlds--for a time. However, the chemical interactions these forms do have are chaotic, the kind of thing that gets hard to model even with a supercomputer after a time. The "parallel" sides will not stay in perfect mirror-image step, with or without the weak force making enantiomers of one particular handedness a bit more stable.

I'll make it simple. Flip two coins in parallel. Every time you flip one, you flip the other. Keep a score for both. Every heads is +1. Every tails is -1.

After fifty flips each, both will total zero, right? Probably not. Nor will those totals with any more likelihood equal each other. That's a chaotic process. No bias, just chaos.