It depends. If they're using a small/medium local model as a 1:1 ChatGPT replacement as-is, they'll have a bad time. Even ChatGPT refers to external services to get more data.
But a local model + good harness with a robust toolset will work for people more often than not.
The model itself doesn't need to know who was the president of Zambia in 1968, because it has a tool it can use to check it from Wikipedia.