I see many comments from people saying that they are more hesitant about participating in open source after this. That they have been working on some code and will now think twice before they put it out in the open. It makes me sad.

Please don't let this deter you! I know how it feels. I was literally shaking when I put my first project on GitHub. Literally. The second time too. And the third. Still am. Still scared of making a fool of myself, but I know what a great learning experience it is and that it benefits my career, so I force myself to do it. Add to that the fact that it is a ton of fun, and every single star a project of mine gets (and the stars are few) makes me proud.