Richard Sim, the senior director of product for monetization at Roblox shared his daily routine. He starts with a bike ride, then heads into the office where he works with more than 60 engineers.

It would have felt monstrous. But let’s not sit here and pretend I let her do it just for her sake. I let her do it for mine, too. Roblox had become a babysitter, a youth group and a camp all in ...