I appreciate how antivax people love to share this fact like this is the ULTIMATE argument as to why the vaccine is actually BAD.
That question applies in literally every case and therefore doesn't change change the optimal strategy.
> What if it requires some domain expertise to detect a reasonable-sounding, but actually false claim?
That question applies just as much to links from "sciencebasedmedicine.org" as it does to the OP.
Sure, which is why being aware of both is valuable.