For very popular languages: there are tons of human-made content specific for language learning, which is always far better than what any LLM can offer. For lo

For very popular languages: there are tons of human-made content specific for language learning, which is always far better than what any LLM can offer. For low resource / endangered languages: LLMs still suck. So no, I don't see the point of this beyond being cheap to produce and cheap to consume.