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I love that video. There is nothing offensive in the video, I think he does a pretty good job explaining how bat shit ridiculous javascript is. If you are writing js professionally and haven't already come to terms with that and the existential crisis it entails... you're gonna have a bad time.
I know I shouldn't be turned off by this, but I so am. And I'm starting to dislike the dev-community more and more for each day I try to learn programming myself. Elitism at its worst. I guess it started a few years back when I started an introductory programming-class at university where I was supposed to learn Java. I had already tried some light-weight languages like HTML and CSS and felt comfortable modding Wordp…
But it's also not a behavior that is particularly uncommon outside of software. It's a kind of tribalism that you often see in communities everywhere. Sometimes people get picky and petty over their interests, careers, hobbies, etc. Game console choice, child-raising, criminal justice, fashion, anywhere the word "proper" is used. People are quick to get emotional about things they care about, and act out of emotion. I'm not excusing it, but it's pervasive. I know I'm guilty of it sometimes.
I hope I've never turned anybody off of learning with that kind of attitude.