Because they mostly are, and even if not, it doesn't usually matter.
For example - you summarize a YouTube link to decide if the content of it is something you're interested in watching. Even if summarizations like that are only 90% correct 90% of the times it is still really helpful, you get the info you need to make a decision to read/watch the long form content or not.
For example - you summarize a YouTube link to decide if the content of it is something you're interested in watching. Even if summarizations like that are only 90% correct 90% of the times it is still really helpful, you get the info you need to make a decision to read/watch the long form content or not.