Earlier quoted context omitted.
What might be better would be some sort of reputation system. Something where I can see that other people that have looked into the person's citations confirm they actually say what they claim they say, on average (regardless of agreeing with their conclusions). Reputation is everything, and it's so incredibly scarce today. We could have different dimensions of Reputation (citation validity, logical argument validity…
Do you think reputation can be manipulated?
But then there's the issue whether the quoted authority actually said what's being quoted. Reputation is transitive, so you could technically chain it (a "web of trust" :)), but then again, looking at most regular people I know in real life, this doesn't work - it's hard to trust second-hand information even from a friend or family member, unless you know they're way above average in being pedantic about information provenance in their speech.
Unfortunately, most people I know will say "X is Y", where the correct thing to say would be "I remember reading 2 years ago in Foo that they claimed Bar said X is Y". This makes reports from such people pretty much entirely noise, as it's impossible to evaluate provenance.