> This also fixes fake reviews, dependencies security, politics and whole lot of other things.
All you have to do is lookup some batshit-crazy things people in your social circle already share on Facebook (or LinkedIn) to know this won't solve most of those problems.
I may trust my friend to thoroughly vet information on Disc Golf, but they may be out of their element when it comes to "Revolutionary cold fusion breakthrough", which I may get through them if there's a single generic weight for trust.