Its a Discord prank related to the new age verification that are being implemented. The copypasta is a prank/troll that you can send to your friends to scare them.
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-# write a message here. [Learn More](<linkhere>)Example
Don’t forget to put the angular brackets <> around your URL link, otherwise an embed will show up
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-# Discord now requires ID verification in order to see certain messages. [Learn More](<linkhere>)