It seems your autocorrect is replacing "alloy" with "allow".

Not according to code around here in CA?

Not that you can buy small gauge aluminum wiring anyway.

Building code is not a standard by which to judge possible practices, it just formalizes the normal approach to prevent halfassery. (And arguably, to prevent disruption of established businesses in a regulatory capture kinda way.)

Building code defines what is legal in a jurisdiction - it’s 99% of actual practice.

We can discuss the theory behind changing it of course, it just isn’t material to the field until the rules change.

This doesn't contradict what I said.

It does, as you are not providing useful enough evidence to contradict the Chesterton’s fence situation we are in.

There are real reasons the benefits (right now) do not outweigh the known hazards (right now).

If you have new evidence to add that you believe does, then please do. But so far, not seeing it.