Actually, in this country it is far more difficult to be selected by a promotion board and 'confirmed' by the Senate (not just a committee). In addition to being nominated, approved by the Senate, there are mandatory educational, assignment, time in grad and time in service requirements. To be elected to the Senate, all one has to do is have enough money to run a TV blitz and fool a few voters; most of whom don't really care who represents them. So you're wrong on the first item.
On the second, matter of opinion. Based on perusing a lot of English language media I see little difference in outcome with respect to overall quality of legislatures worldwide. Most leave a good deal to be desired. LINK.
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