There's no science in "sexuality is genetic" sweaties.

Oh, yes there is. :) Here are my sources, can you show me yours that offer counter-evidence?

J. M. Bailey et al., A family history study of male sexual orientation using three in- dependent samples. Behav. Genet. 29, 79–86 (1999). https://link.springer.com/content/pdf/10.1023/A:1021652204405.pdf

Camperio-Ciani, F. Corna, C. Capiluppi, Evidence for maternally inherited factors favouring male homosexuality and promoting female fecundity. Proc. Biol. Sci. 271, 2217–2221 (2004). https://royalsocietypublishing.org/doi/pdf/10.1098/rspb.2004.2872?casa_token=gRKrhyhqZ5gAAAAA:ovt-eM8MUVakT6wqtv7pHyINEOb2IxW0uNb9A5TtdEsG7jke2VeVc7AqzTki8VjpQAuuBMlOGBKY8g

D. H. Hamer, S. Hu, V. L. Magnuson, N. Hu, A. M. Pattatucci, A linkage between DNA markers on the X chromosome and male sexual orientation. Science 261, 321–327 (1993). http://teachline.ls.huji.ac.il/72350/Homosexuality_paper.pdf

Q. Rahman et al., Maternal inheritance and familial fecundity factors in male ho- mosexuality. Arch. Sex. Behav. 37, 962–969 (2008). https://link.springer.com/content/pdf/10.1007/s10508-007-9191-2.pdf

S. W. Semenyna, D. P. VanderLaan, L. J. Petterson, P. L. Vasey, Familial patterning and prevalence of male androphilia in Samoa. J. Sex Res. 54, 1077–1084 (2017). https://www.tandfonline.com/doi/full/10.1080/00224499.2016.1218416?casa_token=_tKupCTUzmoAAAAA%3AP3UeiA7mB6d3IIGN52bIib5NiMZBJpLcOblQvwq7KaIh9M62ndOkw2aKaPDVjtT4c7vYLuP9ZcNN

G. Schwartz, R. M. Kim, A. B. Kolundzija, G. Rieger, A. R. Sanders, Biodemographic and physical correlates of sexual orientation in men. Arch. Sex. Behav. 39, 93–109 (2010). https://link.springer.com/content/pdf/10.1007/s10508-009-9499-1.pdf

D. P. Vanderlaan, D. L. Forrester, L. J. Petterson, P. L. Vasey, The prevalence of fa’afafine relatives among Samoan gynephilic men and fa’afafine. Arch. Sex. Behav. 42, 353–359 (2013). https://link.springer.com/content/pdf/10.1007/s10508-012-0015-7.pdf

D. P. Vanderlaan, J. R. Vokey, P. L. Vasey, Is transgendered male androphilia familial in non-Western populations? The case of a Samoan village. Arch. Sex. Behav. 42, 361– 370 (2013). https://link.springer.com/content/pdf/10.1007/s10508-012-0037-1.pdf

K. Alanko et al., Common genetic effects of gender atypical behavior in childhood and sexual orientation in adulthood: A study of Finnish twins. Arch. Sex. Behav. 39, 81–92 (2010). https://link.springer.com/content/pdf/10.1007/s10508-008-9457-3.pdf

J. M. Bailey, M. P. Dunne, N. G. Martin, Genetic and environmental influences on sexual orientation and its correlates in an Australian twin sample. J. Pers. Soc. Psychol. 78, 524–536 (2000). https://psycnet.apa.org/fulltext/2000-07236-009.html

K. S. Kendler, L. M. Thornton, S. E. Gilman, R. C. Kessler, Sexual orientation in a U.S. national sample of twin and nontwin sibling pairs. Am. J. Psychiatry 157, 1843–1846 (2000). https://ajp.psychiatryonline.org/doi/pdf/10.1176/appi.ajp.157.11.1843

K. M. Kirk, J. M. Bailey, M. P. Dunne, N. G. Martin, Measurement models for sexual orientation in a community twin sample. Behav. Genet. 30, 345–356 (2000). https://link.springer.com/content/pdf/10.1023/A:1026557719181.pdf

N. Långström, Q. Rahman, E. Carlström, P. Lichtenstein, Genetic and environmental effects on same-sex sexual behavior: A population study of twins in Sweden. Arch. Sex. Behav. 39, 75–80 (2010). https://link.springer.com/content/pdf/10.1007/s10508-008-9386-1.pdf

P. Santtila et al., Potential for homosexual response is prevalent and genetic. Biol. Psychol. 77, 102–105 (2008). https://www.sciencedirect.com/science/article/pii/S0301051107001433?casa_token=vLVmrfdQdgcAAAAA:cmY1U7xrKUOBfEWtUggbEcAc2MBaijOnxkqBvQp_sUeCgOZ71iHyokB8m2PP04u2AZsqmsU1zw

B. S. Mustanski et al., A genomewide scan of male sexual orientation. Hum. Genet. 116, 272–278 (2005). https://link.springer.com/content/pdf/10.1007/s00439-004-1241-4.pdf

A. R. Sanders et al., Genome-wide scan demonstrates significant linkage for male sexual orientation. Psychol. Med. 45, 1379–1388 (2015). https://www.shrink-friendly.co.il/wp-content/uploads/2017/05/Sanders_etal_2015.pdf

B. Wang et al., Association analysis between the tag SNP for sonic hedgehog rs9333613 polymorphism and male sexual orientation. J. Androl. 33, 951–954 (2012). https://onlinelibrary.wiley.com/doi/full/10.2164/jandrol.110.012849

(much thanks to a former user on this sub who helped me find these!)