No way. Where I grew up, the police force was notorious for police brutality and corruption, I can't imagine how much worse it would have been had they all been armed. Even now, when I meet police from other areas if the conversation goes towards what area I am from, there's always an ohhhh... followed by whatever response. The brutality and corruption didn't just disappear when some of them were fired or taken to court, it's still there, just less.
Then there's the issues with criminals with guns. As it is at the moment, majority of criminals will not fire at an officer. Give officers guns and that becomes much more likely. Of course they'll have to fire back to protect their own lives, and then what do we have?
Our police are amazing here. They'll get out and chase criminals and use tasers and gas on armed criminals. We are not like America and shouldn't try to be. I'm sure America didn't start of shooting a suspect for running, but now they do, and running away shouldn't get the death penalty.
The way it is now is fine. Our police do an amazing job with the resources they have. Our firearms officers have extensive training, very different to other countries where all police routinely carry guns. Our system works much better for us all, others systems work better for them.
Anyway, American police a have guns and a few of them are very trigger happy. That hasn't stopped their school shootings, didn't stop Dylan Roof, and hasn't stopped countless other tragedies they've had.