Because duolingo is designed for addiction (that's how they make money), not actual learning (learning would mean you'd stop using the thing, no good for stakeholders).
There is no sole app that makes you go from 0 to C2, but there are infinitely superior tools that actually make you learn, and not the self-complacent pretend-like-learning pastime that duo is.
For a start, almost every other app succeeds at not treating you like a toddler and not resorting to emotional manipulation.
I have to disagree in that you would stop using the app if you learn a language. Learning is a lifelong task and becoming proficient in a language does not mean you will stay proficient in a language. It takes constant refreshing in order to keep sharp.
Is Duo the best thing on the planet? No, does it serve a purpose? Yes. The reality is that, if people see their skills improving as a result of using the app (gamification etc included) then it doing its job.
> There is no sole app that makes you go from 0 to C2, but there are infinitely superior tools that actually make you learn, and not the self-complacent pretend-like-learning pastime that duo is.
This I strongly disagree with. Nothing can _make_ you learn other than your own willingness to do so. If you have the desire to learn, you will. If you do not, you won't. It is that simple and that is applicable to any subject.
> Learning is a lifelong task and becoming proficient in a language does not mean you will stay proficient in a language
Agreed, but most people see it anyways as a journey from point A to point B, and then it's done. Also, most people just settles for good enough, not continuously improving.
> if people see their skills improving as a result of using the app then it doing its job.
Problem being that duo tricks you into believing you are learning when you indeed are not. I feel encouraged when I understand something for first time, not when the godam owl gives me a high five because I matched a word with a picture.
> Nothing can _make_ you learn other than your own willingness to do so
Well, I am really willing to be a world class piano concertist and astronaut. Doesn't mean I'll become one. Motivation + habits set the baseline, the mimimum needed, but they are not remotely enough. Success would be pretty darn easy then.
For people who have trouble keeping up hobbies, that's a feature. Even if duolingo isn't the ideal way to learn, it's a lot better than something I give up on or forget about after a week.
There are a lot of things an app can do for you. Spaced repetition is the easiest one. However there are a lot of other options if you get creative. Most of them are a lot more work though. (though chatbots should now be easy as well to implement)
There is no sole app that makes you go from 0 to C2, but there are infinitely superior tools that actually make you learn, and not the self-complacent pretend-like-learning pastime that duo is.
For a start, almost every other app succeeds at not treating you like a toddler and not resorting to emotional manipulation.