One: https://www.google.com/amp/s/mobile.reuters.com/article/amp/..., so Colorado is wrong.
Two: Using a figure of speech is not “encouraging armed violence”.
Two: Using a figure of speech is not “encouraging armed violence”.
Excusing extreme calls-to-action after the fact as "figures of speech" gives license to say anything: when you've found you've gone too far, you can simply walk it back and say it was metaphor. Should any of Milo's or Jones's followers act on this, would you still say their comments were just figures of speech?
If the rest of the context was worse for jones, the press would have used it.