"You’re basis for truth often relies on authority of your source." No. This is such a common logical error that it has an old name: Argumentum ad Verecundiam (often shortened to Verecundiam, or Appeal to Authority in English.) Saying "I know this because authority X said so" - you don't know it at all. It has the epistemological status of outright faith. What counts is the connection of statements to reality and thei…
So the logical error isn't an epistemological error in all cases - you can see it as someone trying to minimize some distance metric they are operating on between Reality As It Is and Reality As I Know It by making a single hop to someone who, it is believed, has already done a lot of work investigating the ground claims.