The PG quote is a hot take. Yes, writing can be a productive focusing mechanism, it can also provide you with good reflections. But so can meditation, so can a good walk. It's a tool, not a requirement. It also has it's own downsides in that it forces you to think a certain constrained way, and while that is also one of its strength, it does limit your ability to think creatively. Similar to how using ChatGPt to draf…
Can you give any examples of someone whose idea formation was not improved went they undertook the task of writing their thoughts down?
Alternatively I have had ideas in mind that get stronger and stronger and at some point I just have to work them and so I work on them without writing them down and I actually bring them to fruition while writing down might have oddly killed that motivation or obsession.
It is mainly various side projects. The act of writing somehow diminishes that motivation or reward feeling as opposed to immediately starting to build the side project.