> with no chance to correct your mistake Your mistake will result in someone losing a point on a website. Sure, it would be better if you could fix that but it

> with no chance to correct your mistake Your mistake will result in someone losing a point on a website. Sure, it would be better if you could fix that but it's not a big deal. You can make truly catastrophic mistakes everyday driving a car or even pushing an update. On HN other users can easily rectify minor slip-ups like that. A much worse mistake is upvoting crap. That is really damaging to the site.