问HN：你能帮我解决这个技术政策问题吗？
我目前正在使用Flask和Python搭建一个小型博客（社区规模在1万以下）。为了管理垃圾信息，我考虑采用类似Hacker News的政策，即在特定时间后不允许用户删除他们的投稿。
这种做法显然有利有弊。然而，在人工智能生成的垃圾信息和基于大型语言模型工具的内容抓取盛行的时代，冻结投稿可能是对抗内容盗用的有效方式。
你对这种内容冻结政策有什么看法？
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I am currently working on a small blog built with Flask and Python (community size under 10k). To manage spam, I am considering adopting a policy similar to Hacker News by not allowing users to delete their submissions after a specific period.
This approach obviously has pros and cons. However, in the age of AI-generated spam and content scraping by LLM-based tools, freezing submissions might be an effective way to combat content theft.
What do you think of this content freeze policy?