Peer reviewed citations or we'll assume that your data is anecdotal. And skewed from a sub-population that is interested in data and sex rather than mating and marriage. The platforms that provide matches aren't very motivated to find perfect matches that lead to marriages. They haven't yet expanded into the marriage industry.

Women raising children alone may be due to a large number of factors and grouping them into "women don't need men, they just need sperm" is missing the support (sometimes) available from their male partner.