Similar criticisms have probably been leveled at many other technologies in the past, such as computers in general, typewriters, pocket calculators etc. It is true that the use of these tools and technologies has probably contributed to a decline in the skills required for activities such as memorization, handwriting or mental calculation. However, I believe there is an important difference to chatbots: While typewriters (or computers) usually produce very readable text (much better than most people's handwriting), pocket calculators perform calculations just fine and information from a reputable source retrieved online isn't any less correct than one that had been memorized (probably more so), the same couldn't be said about chatbots and LLMs. They aren't known to produce accurate or useful output in a reliable way - therefore many of the skills that are being lost by relying on them might not be replaced with something better.