Roblox responded by banning his accounts and issuing a cease-and-desist notice, while safety officials emphasized that vigilante actions, though well-intentioned, create risks for users.

Roblox Corp posted a bigger quarterly loss on Wednesday, hurt by higher expenses to support the expansion of its platform, sending shares down 12% in premarket trading.

Roblox stock collapsed after the online gaming and social platform missed estimates for users and bookings in the fourth quarter.