I think that, at least for some on the Left, it's a perfectly sincere effort to bring everyone in.It is the admission that the concept of multiculturalism is a lie.I think we can now safely count on Liz and most (if not all) of the Democrats to run with the SJW routine in 2020 and beyond. Any who don't will come under serious criticism. It is what it is.
The problem is that, as with so many other issues, the whole thing has been disfigured and bastardized and perverted and distorted, specifically for use as a political bludgeon.
This is what happens when zealots jump into the fray.
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