One of the concerns expressed about a legislature that is “BY” the people is that ‘the people’ would easily be corrupted and bribed.
I don’t think the statistics have changed that much since this 2007 article.
http://harpers.org/archive/2007/09/hbc-90001300

Using sortition to select a “Citizen House” would — even without the stronger, because non-partisan, Ethics Committee that would also result — insure diminished likelihood of legislative criminality.