> Restricting public servants to only government bond investments would be a great way to discourage anyone with financial sense from running for congress.
The flip side is it also discourages anyone primarily looking to profit off it, rather than being interested in actual governance.
People think that quality governance is all about the intelligence to know the best rules to decide for the greater benefit of society. Politicians behave badly because of incentive. Good rules would require correct incentive, not merely higher quality individuals. Intelligence doesn't dissuade corruption of power, if anything it accelerates it.