Heritability doesn't provide much information about anything. Researchers working in genetics and development have moved beyond it as more sophisticated, accurate approaches have become more widely available. This paper is a good basic introduction to the concept's limitations.

Moore, D. S., & Shenk, D. (2017). The heritability fallacy. Wiley Interdisciplinary Reviews: Cognitive Science, 8(1-2), e1400.

https://wires.onlinelibrary.wiley.com/doi/full/10.1002/wcs.1...