> For the average person science should mean knowing how to determine if someone is more qualified than they

I agree. But how do you that without researching? Who makes the list of trustful institutions?

Let's pick homeopathy. The pharmacy in the corner of my home sells homeopathy too. There are even some curses in some universities [in Germany?] [I searched in MY university. Apparently there is no curse for human medicine, but there is a curse for veterinary https://www.fvet.uba.ar/?q=homeopatia .] Can we agree homeopathy is not real? How do you know?