Even single mums will not date single dads

Single dad translates to 'poor' generally. Poor in money (for the woman he's dating), poor in time (for the woman he's dating), poor in availability for sex, etc.

https://www.businessinsider.com/single-mom-dating-men-without-kids-no-fathers-less-complicated-2024-4

Single women who cannot support their own kids and/or their lifestyle only want men without dependent kids.