Weirdly, within the last thirty years, we’ve realised that the truth is not so clear cut. Epigenetic changes do occur as a result of the environment and are hereditary. While genes are still the main drivers of evolution, these epigenetic changes affect gene expression.

Nature doesn’t leave anything on the table if it is remotely possible (billions of years will do that) and learned experience transmitted to offspring is way too juicy. I would be wholly unsurprised at the existence of a mechanism for writing this to DNA, perhaps enhancing the chance of copy number increase or similar.