Then why not just remove every other listing? Since you've already concluded for everyone out there which site they'd prefer via a guess, what's the point of having any other listings?
would you prefer that radiosurgery overview article from the Mayo Clinic, or from a site which appears to be promoting a specific manufacturer of medical equipment via paid posts? My guess is that you’d prefer the Mayo Clinic.
You know what would be better than these hypothetical "what would you do" scenarios? Actually doing what you say you would do, and let folks follow along and see the progress live.