The word I have heard is "bullshitting". Lies at least orient themselves with regard to the truth, bullshit floats free

I think gaslighting is more sinister and deliberate, but it's in a similar spectrum of manipulative behavior. Perhaps, as his statements are less filled with the style of Musk's bravado on topic of FSD, and they feel overall mid, I can propose MID: Manipulative-Impulsive Disorder?