My reaction was the complete opposite: an excellent signaling tool.
If I just made a connection between 2 things, and want to bounce ideas off people, I can just say Epistemic effort: Thought about it musingly, and wanted to bounce the idea off a few people and no one will judge me for have a partially formed idea. Perhaps more importantly, anyone not interested in such things will skip the article, instead of wasting their time, and feeling the need do discourage my offending low quality post.
I'm not a fan of "brainstorming" in particular, but there really does seem to be a problem that brainstorming is trying to solve, and I think this would help solve it. Refining a diamond in the rough doesn't have to be a solitary activity; it can be a community task.
Epistemic Effort: Thought seriously for 5 minutes about it. Thought a bit about how to test it empirically. Spelled out my model a little bit. I'm >80% confident this is worth trying and seeing what happens. Spent 45 min writing post.
I've been pleased to see "Epistemic Status" hit a critical mass of adoption - I think it's a good habit for us to have. In addition to letting you know how seriously to take an individual post, it sends a signal about what sort of discussion you want to have, and helps remind other people to think about their own thinking.
I have a suggestion for an evolution of it - "Epistemic Effort" instead of status. Instead of "how confident you are", it's more of a measure of "what steps did you actually take to make sure this was accurate?" with some examples including:
[Edit: the intention with these examples is for it to start with things that are fairly easy to do to get people in the habit of thinking about how to think better, but to have it quickly escalate to "empirical tests, hard to fake evidence and exposure to falsifiability"]
A few reasons I think this (most of these reasons are "things that seem likely to me" but which I haven't made any formal effort to test - they come from some background in game design and reading some books on habit formation, most of which weren't very well cited)
Results of thinking about it for 5 minutes.
Next actions, if you found this post persuasive:
Next time you're writing any kind of post intended to communicate an idea (whether on Less Wrong, Tumblr or Facebook), try adding "Epistemic Effort: " to the beginning of it. If it was intended to be a quick, lightweight post, just write it in its quick, lightweight form.
After the quick, lightweight post is complete, think about whether it'd be worth doing something as simple as "set a 5 minute timer and think about how to refine/refute the idea". If not, just write "thought about it musingly" after Epistemic Status. If so, start thinking about it more seriously and see where it leads.
While thinking about it for 5 minutes, some questions worth asking yourself: