“I'm basically giving myself a permanent vacation from being BDFL”

Open source burnout is real. I'm sure the allure of giving back by creating something useful fades when people constantly criticize your work, especially when you look at the personal and professional sacrifices you're making to produce free software.

One of the pycon keynotes (by Brett Cannon) was on civility in open source:

https://youtu.be/tzFWz5fiVKU?t=2785

If you're a little abrasive (as I am) then I recommend giving it a watch. There's nothing wrong with being right but you don't want to jeopardize the respect and community by not recognizing others in a response.

And even if there were no other reasons for adopting codes of conduct, that would be reason enough.