Arnold Schwarzenegger is an extremely poor example of someone who has added value to government. as the last republican governor in california he extended ab32 the cap and trade.
addressing your other concerns. agreed seems cruel. the idea is to replace current employees with those solely invested in america. removing any foreign influence, which is a huge problem. see my policy for foreign law enforcement.
we have non citizens legislating and policing citizens in the united states of america, with lethal force. particularly in california and the federal government.