Such a silly way to think about it. You could frame every service as having this conflict. Does Google want to obfuscate results so I'll spend longer looking fo

Such a silly way to think about it. You could frame every service as having this conflict. Does Google want to obfuscate results so I'll spend longer looking for results? Duolingo is extremely popular because people get use out of it and like it. You've taken a tiny perverse incentive and jumped to the conclusion that it trumps all the other more important incentives.