Comprehensive_Ad7948

They don't have it because it wasn't programmed into it, because it's risky business (see chatbot Tay), not because it's currently impossible. There's nothing preventing you from running backprop weight updates based on user interactions, e.g. with reinforcement from user sentiment.

Not designed or intended to- is not the same "fundementally unable". There are quite simplistic architectures that are very able of updating their weights, which does not make them AGI or any more intelligent. The discussion is about general capability in intellectual tasks, not the training mechanisms.