Residential segregation scores have obvious limitations. For example, the aspect of daily living, e.g. racial interaction during work is not accounted in the residential segregation metrics. See
Cagney, K. A., York Cornwell, E., Goldman, A. W., & Cai, L. (2020). Urban mobility and activity space. Annual Review of Sociology, 46, 623-648.
Modifiable area unit problem, i.e. the scores are highly sensitive to the arbitrary definition of the spatial units
Kramer, M. R., Cooper, H. L., Drews-Botsch, C. D., Waller, L. A., & Hogue, C. R. (2010). Do measures matter? Comparing surface-density-derived and census-tract-derived measures of racial residential segregation. International journal of health geographics, 9(1), 1-15.
Athey, S., Ferguson, B., Gentzkow, M., & Schmidt, T. (2021). Estimating experienced racial segregation in US cities using large-scale GPS data. Proceedings of the National Academy of Sciences, 118(46).
Echenique, F., & Fryer Jr, R. G. (2007). A measure of segregation based on social interactions. The Quarterly Journal of Economics, 122(2), 441-485.