Consensus is important, mainly peers consensus. The reason we do peer review.
he reason I found about this was because one of the people that got into the specialty was by consensus among my friends and almost everyone that knew her extremely bad as a student. So we immediately suspected foul play.
Faraday shields are just filters, they never eliminate fully the signal. Is like covering your ears, attenuates the sounds but it doesn't cancel the waves. Is not a good solution long term.