In our more limited experience, certain levels of complexity mean unpredictable outcomes.
As for why-not-DNA, I think about it in terms of "If there were some way that was faster able to adapt organisms than DNA changes, wouldn't most organisms accumulate substantial functionality via that pathway over time?"
In our more limited experience, certain levels of complexity mean unpredictable outcomes.
As for why-not-DNA, I think about it in terms of "If there were some way that was faster able to adapt organisms than DNA changes, wouldn't most organisms accumulate substantial functionality via that pathway over time?"