That's different from just "doing everything the average voter wants done." That approach could be done even if the representatives weren't from diverse backgrounds.
Your representatives are predominantly lawyers.
40% are lawyers, and 25% are business/banking.
> In ancient Athenian democracy, sortition was the traditional and primary method for appointing political officials, and its use was regarded as a principal characteristic of democracy.[5][6] Sortition is often classified as a method for both direct democracy and deliberative democracy.
No one that thinks they should lead, should actually lead in my opinion.