Earlier quoted context omitted.
That's the status quo. One could argue nearly anything is political content, or art. They're announcing that they're going to draw the line differently, not that they're drawing a line for the first time.
There are Leftist movements in the US that are arguably just as violent as those on the alt-Right. What's the chance that these policies apply to both sides equally? Given the history, I'd say not much. And I don't think that's a good thing. EDIT: Unless someone is saying that AntiFa ISN'T violent?
How about doing some old-fashioned data gathering for the benefit of the community? Document all violent events, how many YouTube videos are posted of each, how many are removed and how long it takes for each to be pulled down.
Without data, it's just conspiracy theory.