You should start muting people who talk politics and Twitter also allows you to block tweets containing keywords/phrases[0]. Honestly, I've started to enjoy Twitter so much more now that my feed is void of politics and sexism/sjw arguments.
That's not me. But likely because he doesn't enjoy the constant "do you use React?" and "why not React?", since I believe Pieter doesn't use frameworks. Honestly, sometimes the questions on his tweets are annoying so I bet he gets fed up with the constant questions from people who want to emulate him thinking it will make them successful.
[0]: https://twitter.com/ajlkn/status/878717797588762624