To be fair, people can indeed learn lessons from bad decisions. When you do, sharing them with others is a great way to help others avoid making the same mistakes.
A few of the bullets in this blog post absolutely had to come from lessons of the early 2021 controversies. Picking the right venue to share communication, for example.
37 Signals communicate way better now than they did in 2021. There were obviously lessons learned.
They were driven by idealism before 2021. That's what got them in the mess they got in. They let people talk politics in work channels. This led to division. Then they went very public with their new policy of no politics at work. Both were unnecessary blunders that came from idealism - A belief in open communication for all at all times.
They don't do that any more. Their messaging is much more focused now.
A few of the bullets in this blog post absolutely had to come from lessons of the early 2021 controversies. Picking the right venue to share communication, for example.