No, actual human beings don't generally lie to your face like this about whole sets of facts. That would be pathological behavior.
They usually just say they don't know, or they think it might be X but they're not totally sure.
People sometimes lie when it's in their self interest for various reasons, e.g. where they were last night, or when writing an Op-Ed or on the campaign trail, but not just lying willy-nilly about regular facts when asked a normal question.
They may not do it to your face (though some will). But on the internet there are a bunch of people that will lie to you. Even worse they often do it for financial or social gain.
ChatGPT's motivation is simply that it was trained to do so. Huamns usually have more nefarious motives for their lies.
They usually just say they don't know, or they think it might be X but they're not totally sure.
People sometimes lie when it's in their self interest for various reasons, e.g. where they were last night, or when writing an Op-Ed or on the campaign trail, but not just lying willy-nilly about regular facts when asked a normal question.