In such matters, there's a strong psychological bias from tech-savvy people to dismiss evidence and side with the technology (not the science, which would include estimation of potential harm etc, but with the technological application, which is assumed as de facto good). It's a strong self-identification with technology who instills a fear of appearing as a luddite, like the unwashed masses who fear this or that and…
It's strange the relation you pointed with anti-vaxers. I think that the fear to 5G and vaccines are very similar, but it a very emotionally load topic, so mixing them is a bad idea.