I subscribed last year, I thought a sustained period without ads would help concentrate my mind but gave up after a couple of weeks. I guess that paid off for D

I subscribed last year, I thought a sustained period without ads would help concentrate my mind but gave up after a couple of weeks. I guess that paid off for Duolingo? It seems like they have a cohort of developers who need to justify their existence by adding animation and gamification features at every opportunity. A back to basics approach would be a good move but I doubt it will happen.