Certain patterns of input may be dangerous, but knowledge isn’t a pattern of input, it can be formatted in a myriad of ways, and it’s not generally that hard to find a safe one. There’s a picture of a french fry that crashes AOL instant messenger, but that doesn’t mean it’s the french fry that’s the problem. It’s just the way it’s encoded.
Certain patterns of input may be dangerous, but knowledge isn’t a pattern of input, it can be formatted in a myriad of ways, and it’s not generally that hard to find a safe one. There’s a picture of a french fry that crashes AOL instant messenger, but that doesn’t mean it’s the french fry that’s the problem. It’s just the way it’s encoded.