I've not watched the video, but I have become interested in the whole SJW movement as a whole.
A lot of it is internet blogging and vlogging, where in order to maximise views. A lot of topics are click-baity, deliberately designed to raise heckles and generate anger.
A lot of people create this virtue signalling echo-chambers where if you don't have the right opinions you are a baddie (either sexist, racist, homophobic, transphobic etc).
A prime example is this is the recent prominence of trans issues. Which in and of itself is not unhealthy for us to examine. It's never a bad thing to strive to make society more inclusive, but the way it has been done has pushed women's rights out of the way (because being trans trumps bieng a woman in the oppression olympics).
You then get the baffling state of affairs that eminent thinkers like Germaine Greer get no platformed at universities, and any attempt at a feminist perspective that is anything other than unqualified praise and admiration for the trans struggle is branded terf and shot down.
It's the either you are with us or against us rhetoric that is problematic. It happens across all avenues now and it's getting in the way.
I am reminded of a wise view expressed by Andrea Dworkin, on being interviewed she was asked a question on liberal feminism (I suspect to try and set her own brand of radical feminism in an adversarial context). Her response was brilliant in that her response was that she failed to see a distinction, people are different some responded to the radical and some to the liberal softer approach. They are both complimentary.
Just because someone takes a different line from you on an issue does not mean they don't care as deeply as you on the subject. A lot of us have have lost sight of these in recent years.