The two sentences do not contradict. Using LLMs alone would be bad. However they can be used with other things. Most people are get fluent in a language use several different methods to learn.
It isn't clear if LLMs are good. The formal studies cannot possibly be done so don't bother looking. (a few early studies might be done, but not enough to draw conclusions). And of course LLMs may well change in the future so even if you have a conclusion it may not apply to what we see next year.
It isn't clear if LLMs are good. The formal studies cannot possibly be done so don't bother looking. (a few early studies might be done, but not enough to draw conclusions). And of course LLMs may well change in the future so even if you have a conclusion it may not apply to what we see next year.