Quote (Thor123422 @ 28 Jun 2020 01:40)
It has everything to do with what we are quibbling about. Democrats control 17/20 of the most dangerous cities because they control virtually every city. If the background is 90% Democrat (it's actually higher) then it's not meaningful to say 90% of the most dangerous cities are Democrat because they will control 18/20 of the worst of any variable you choose. That is why Trump's statement is wrong, because not only is his very specific "20 out of 20 are Democrat" wrong, but even the spirit of the statement where he is trying to imply that Democrats are poor governors with respect to violence is wrong.
Yes, the spirit of his statement was to imply that Democrats are doing a poor job running things, exemplified by violent crime rates. And a comparison between urban and non-urban crime rates largely proves this to be true: violent crime is concentrated in the big cities, which are almost all run by Democrats.
Now, correlation is obviously not causation, and it would be possible to argue that this is just spurious correlation, with 'degree of urbanization' acting as the confounding variable. One can certainly argue that urbanization is correlated with crime rates and also, for unrelated reasons,with a Democratic political lean. But even under this assumption, these Democratic mayors have had decades to get crime rates down to the level of non-urban places, to root out systemic racism within their PDs, to tackle the housing crisis, and so on and on.
Whatever the specific challenges are that an urban environment poses, Democrats have been in charge long enough to own these problems. When recent, lefty protesters insist that something fundamental is going wrong in Minneapolis and Atlanta, and these two cities have been governed by Democrats for 80 and 130 years, respectively, then Democrats have no one but themselves to blame for the local issues.
More specifically, all kinds of recent worsening in major metros have occurred in particularly liberal strongholds: the housing crisis in San Francisco, the gang violence in Chicago, the health crisis in New York City, the 'systemic racism' in Minneapolis and Atlanta, the willful loss of control in Seattle's CHAZ, and so on and on. Similarly, let's not forget that NYC was a declining cesspool during the 70s and 80s, and then quickly turned things around under the law-and-order policies of two Republican mayors, Giuliani and Bloomberg.
So the broader point Trump wanted to make was accurate. I will admit, however, that he chose the wrong comparison/statistic to support this point.