Most people need help with things that are trivial to experienced people in that field, but don't have the access or time or funds to get experts.
Most Americans can barely understand fractions and have no idea how a refrigerator works. If LLMs can help them troubleshoot their fridge and find out it's probably the circulating fan that needs help because their freezer works but not their fridge, isnt that mission accomplished, even if an HVAC tech can't use it to solve all his problems yet?