The shift in responsibility to the EU is not free. Of course, it costs some taxes to run the institutions that enforce the regulations. But who is supervising those institutions? That would be up to the citizens, instead of comparing products directly.
Are citizens going to do that? Have citizens checked the sourcing of the covid vaccines?
Regulatory capture. It already exists in the housing market, medical equipment, medical drugs, etc. There, things are more expensive than necessary.
https://en.m.wikipedia.org/wiki/Regulatory_capture
The shift in responsibility to the EU is not free. Of course, it costs some taxes to run the institutions that enforce the regulations. But who is supervising those institutions? That would be up to the citizens, instead of comparing products directly.
Are citizens going to do that? Have citizens checked the sourcing of the covid vaccines?