文章指出，博客写作有时只是陈述显而易见的事实，就像《皇帝的新衣》中的孩子。作者引用John Gruber对网页弹窗的批评，强调网页应直接展示内容，无需解释。尽管内容看似浅显，但仍有价值。

John Gruber 最近写了一篇关于网站上那些烦人弹窗的文章，他犀利地批评了这些无处不在、对用户不友好的设计。不过，让我印象更深的，是他对博客写作本身的一段评论。他说：如果你访问一个网站，就应该直接看到网站的内容，能读到你想看的文章。在别人试图阅读网页文章时，弹出“订阅我们的新闻通讯”或“接受我们的破 cookies”之类的干扰，就像发送一封只包含网页链接的电子邮件新闻通讯一样毫无意义。网页就该展示网页，邮件就该展示邮件，这本不该需要解释。

有趣的是，写博客常常让人感觉自己像《皇帝的新衣》里那个小孩——你只是在陈述那些对你来说显而易见的事情。我经常看着自己的文章想：“这里没什么新意，也没什么深度，值得写出来吗？”一个观点对我来说可能太明显了，以至于我觉得说出来都是浪费时间。就像 John 说的：“网页就该展示网页，邮件就该展示邮件，这本不该需要解释。”

但当你身边不断出现令人烦恼的真实案例，却没人谈论时，你最终只能写一篇文章说出来，并附上证据。你会觉得自己快疯了：“难道别人都看不到我看到的这些吗？大家就这么接受了？”而往往，正是这类文章才是我从别人那里读到的最好的内容。

所以，博客写作的一个关键要素其实很简单：愿意说出那些对你显而易见、但别人却闭口不谈的事情。如果已经有人说了，那就直接引用并附上链接，大声赞同：“没错！！！就是这样！！！”

根据评论内容，主要观点和论据总结如下：

1. 博客的核心在于“说出别人没说但显而易见的事”
- 评论1（taneq）：“Finally someone’s saying it! Also I love how meta this is.”
- 评论4（Paracompact）：“So it must be that a key ingredient to blogging is simple: have a willingness to state something that seems obvious to you but nobody else is saying it.”
- 评论16（0oMrPatricko0）：“Sometimes we should trigger conversation. I believe we shouldn’t index on novelty- we should index on impact.”

2. 博客的价值在于“知识诅咒”与“新受众”
- 评论3（nate）：“There's always a new cohort of people that don't know the things you know... The Curse of Knowledge.”
- 评论12（handoflixue）：“There's ten thousand people new people each day, and someone has to be the first time they run into something.”
- 评论16（0oMrPatricko0）：“Despite the fact that this was 'old news', it seemed implicit that for many it was new news.”

3. 对AI时代博客的质疑与反思
- 评论2（charcircuit）：“AI can do a good job of this... But I suspect such a blog would not be popular.”
- 评论6（pkaler）：“With the advent of LLMs, I've felt even less need to publish publicly... an LLM can either produce something higher-quality and more tailored.”
- 评论18（LunicLynx）：“My current feeling about blogging is, that it more then anything else is we’re certian knowledge of AI came from.”

4. 博客写作的实用建议
- 评论5（godelski）：“Concentrate on making me want to subscribe, not pestering me into it. You're not a used car salesman.”
- 评论8（ggm）：“So my next blog maybe will be 'seven cardinal sins of blogs about basics' which will have only one sin: forgetting the job.”
- 评论13（j45）：“Blogging is a form of improving your writing and communication if you so choose.”

5. 对“原创性”的辩证看法
- 评论4（Paracompact）：“on a statistical level, it is fair to say no one ever has any original thoughts... the ones most capable of elucidating existing ideas can be the ones least motivated to do so.”
- 评论11（cryptoegorophy）：“What is obvious to me may have come as a lot of experience and focus in the past.”
- 评论19（rchowe）：“point out the obvious before anyone else does.”

6. 其他相关观点
- 评论10（righthand）：“Of course, there’s a whole microblogging platform called Twitter where people do it.”
- 评论14（cjbarber）：“This is often, but not always, also what stand up comedy is.”
- 评论15（daft_pink）：“Commenting on Hacker News is often just stating the obvious, but people still upvote!”
- 评论20（jzer0cool）：“I like actually taking the full form weblog and nudging the space we get also 'we blog'.”

总结：评论者普遍认同博客的核心在于“说出别人没说但显而易见的事”，并强调“知识诅咒”与“新受众”的存在使重复分享仍有价值。部分评论对AI时代博客的原创性提出质疑，认为AI可能替代部分内容。同时，评论者建议博客应注重质量而非推销，避免“忘记初心”。整体观点平衡，既有对博客价值的肯定，也有对现状的反思。