I have pretty much no confidence in the electoral process to make good decisions. People elected Nicolás Maduro, people elected Robert Mugabe, people elected Hitler.
The economy of Chile was going down the drain, and Pinochet arguably saved it, which was a lot better for a lot more people than the alternative.
And lastly, throwing a few thousand communist agitators out of helicopters could be called a massacre if you want, but you can't compare it to the mass genocide in USSR, China, Cambodia, etc. And if you hear somebody trying to make that comparison, you have to call it out, because either they're just not aware of the difference of scale, or they're actively trying to muddy the water and they're a genocide apologist.