That's true.
Originally, this post was part of "Don't Fear Failure". I intended for it to talk about low-cost failures, how practicing helps, and then do a bit of talking about how rationalists should be able to pay mindful attention to their mistakes in order to learn from them before they get right back up and try again.
So basically advocating rapid iteration after desensitizing people to failing.
However, I wasn't quite able to tie it all together and it just felt like it dragged on. So instead I split it up into a post which says that failing isn't that bad, and another about how practice pays off.
I could follow up with another post which more clearly spells out rapid iteration, but that might be a bit much. I'd rather move on to talking about perfectionism and unduly favoring the status quo.
Could be wrong though.
Followup to: Don't Fear Failure
In the same theme as the last article, I think that failure is actually pretty important in learning. Rationality needs data, and trying is a good source of it.
When you're trying to do something new, you probably won't be able to do it right the first time. Even if you obsess over it. Jeff Atwood is a programmer who says Quantity Always Trumps Quality
The people who tried more did better, even though they failed more too. Of course you shouldn't try to fail, but you shouldn't let the fear of it stop you from tyring.
I wouldn't go as far as to say that quantity always trumps quality, but where the cost of failure is low lots of failures that you pay attention to is a pretty good way of learning. You should hold off on proposing solutions, but you also need to get around to actually trying the proposed solution.
I'm normed such that I'll spend more time talking about if something will work than trying it out to see if it works. The problem is that if you don't know about something already, your thoughts about what will work aren't going to be particularly accurate. Trying something will very conclusively demonstrate if something works or not.
Note:
I originally had this as part of Don't Fear Failure, but that post got too long.