Because the data was completely misrepresented. VAERS is unvetted raw data from the public. Anyone who has experience or imagined a malady after self-reporting that they received a vaccine dose can make a report to VAERS. Portraying VAERS reports as conclusive causation is most definitely lying.
The headline presents the conclusions as unambiguous: "New Vaccine Data Shows Alarming Number Of Stillbirths And Miscarriages Caused By Covid Shot". Aside from referring to "covid shot" as a single thing and the 8 different vaccines available.