Watch his video. Pick 2-3 at random, be a grown up and ignore the tone of voice and the snarkiness, and see what his points are.

They're very solid.

Try something like this:

https://www.youtube.com/watch?v=CTV-wwszGw8

https://www.youtube.com/watch?v=ORzNZUeUHAM

No. This has existed well before social media.

I have met these people in person. I have gone to their protests (e.g. Critical Mass). These people exist and they believe what they say.