I couldn't find data from a quick search, though I did find a study where researchers groups with a higher diversity of "ethnicity, age, gender, and affiliation" tended to have higher citation counts. [1]
Still, it's not too out there to say that a researcher who grew up in a low-income family can provide a very useful perspective for designing research for addressing poverty (even at least for designing research questions and better recruiting participants). I concede that the evidence may not reach the bar for large, massive investment, but it could at least be promising for at least some funding as a starting point—at least some needs-based scholarships.
Still, it's not too out there to say that a researcher who grew up in a low-income family can provide a very useful perspective for designing research for addressing poverty (even at least for designing research questions and better recruiting participants). I concede that the evidence may not reach the bar for large, massive investment, but it could at least be promising for at least some funding as a starting point—at least some needs-based scholarships.
[1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6701939/