Earlier quoted context omitted.
Back in the day... 2004-2005 facebook was amazing. Spread like wildfire, and lots of fun to use. Just you and your college friends, and their friends.
Even the original idea (if The Social Network is a trustworthy source) was copied -- Zuckerberg just has a complete lack of vision, but is clearly an intelligent operator with good business sense. Jagged intelligence, like an LLM.
You may as well say Bezos copied the idea of Amazon from book shops.
Really, he was in exactly the right place at exactly the right time.