请问HN：为什么这么少的工具会从竞争对手那里导入数据？
以Bluesky为例。当你在这里注册时，你的时间线是空的。但许多人正从像X这样的平台转向Bluesky。
Bluesky可以非常简单地添加一个“导入你的X账户数据”的功能，你只需用X登录，然后它会自动读取你的所有个人资料数据（例如头像、简介、所有帖子等）。一步一步，用户们就可以在一个技术上更先进的平台（例如联邦或点对点）中“重建”X。这不是一个外部工具，而是由Bluesky开发、内置并推广的官方导入器。
我在许多其他方面也看到过类似的情况，似乎对从竞争对手那里导入数据存在一种奇怪的抵触（或者根本没有这样做），尽管这将极大地改善用户体验并简化过渡到更好的平台。为什么会这样呢？
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Let's consider Bluesky for example. When you sign up there, your timeline is empty. But many people are switching to Bluesky from a platform like X.<p>It would be super simple for Bluesky to add a "Import your X account data", where you log in with X and then it reads out all your profile data (e.g. profile picture, bio, all posts etc.) automatically. Step by step, the users themselves would "reconstruct" X within a technologically more advanced (e.g. federated or peer-to-peer) platform. Not an external tool, but an official importer developed, built-in and promoted by Bluesky.<p>I've seen the same thing in so many other regards, that there seems to be a strange aversion to importing data from competitors (or it's just not been done), even though it would improve usability and ease of transition to something better soooo much. Why is this?