As they say, democracy doesn't guarantee a good government, it guarantees a government the electorate deserves.
People always get a government they deserve, even when it is a dictatorship. Nothing guarantees a good government. So your statement is saying nothing at all.
A: Wait, I can explain Everything! It's not what it looks like!
"What a wonder is USENET; such wholesale production of conjecture from such a trifling investment in fact." -- Carl S. Gutekunst