New York should introduce a technology that can detect politicians and law makers who are not the sharpest tool in the shed, and let them go

That exists, it's a functioning education system and electorate aware of current events, past history and able to reason logically and impartially, and a viable fourth estate.

The problem is, as Rousseau warned us, elections only function for so long as the voters are able to see and identify efforts to bribe them with their own money (paraphrased).