The normal function of the immune system, whether in response to a spike protein encoded in a vaccine or a spike protein encoded in a virus genome along with 28 other virus genes, does not cause infertility.
If infertility were a consequence of becoming immune to coronavirus spike proteins, the human race would have died out eons ago. Coronavirus infections are common. All coronaviruses have spike proteins.
Covid-19 disease does increase pregnancy loss.
https://cgf.cochrane.org/news/covid-19-coronavirus-disease-fertility-and-pregnancy
And Covid-19 has a negative impact on male fertility.
https://pubmed.ncbi.nlm.nih.gov/37155673/
Sod off, lying troll.
Not all spike proteins are identical.
And the jabs carry the genetic instructions for producing this spike protein, all over the body via the LNPs, via the bloodstream.