Incompetent as in keeping our house stable while the rest of the world (including China) is in turmoil? You're probably one of those ignorant right-wing repeater stations that echo what the tea party heads like Bachmann chirp all the time.
His money printing bails out the big banks and keeps the bonuses flowing to the corrupt execs at those banks.
His printing and his negative real interest rate policy robs savers and has caused the price of food and energy (things folks need to live) to go higher than they otherwise would.
His printing, and that of his predecessor, facilitated traitors in our government being able to shift the cost of sending young Americans to die in futile wars that Americans may not have supported if the costs weren't hidden.