Earlier quoted context omitted.
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That is literally what every physical language school or textbook for beginners have in the materials ... and literally none of them teaches up to fluency. Maybe because I had experience with language learning, but it would not occur to me that "learn language" in a headline should imply that.
That's because you've been marketed-to by beginner's courses your whole life, probably. Like I said, this goes back to things like Rosetta Stone, or Berlitz before that, etc. etc.
They all have done the same business model. Suck people in with the ambiguity of "learn a language" (and all the sweet social capital it will give you!) teach you a few touristy words and phrases without any way of telling you if your pronunciation is way off (AI might help in the future, but it isn't there yet), and happily blow sunshine up your you-know-what about how well you're doing.
If you can't tell, I'm a bit cynical about general audience language apps.