He might have read Ready Player One and thought the dystopian sci-fi story about a decaying society kept going by a single megacorp that runs a monopoly on a digital world where most people live vicariously in and thought 'holy shit I need to get in on this'. He basically wanted to make Second Life for normies. Might have worked if he tried it 10 years later when the Roblox generation are all adults, but not so when trying it on Facebook boomers.