The problem is the question itself - the only acceptable FSD is the one I don't have to do any interventions. My mind can wander, I can read a book or watch a movie, or sleep. Only thing I am willing to actually pay for.

Anything less is adaptive cruise control + lane assist (keep & change), no matter how fancy the marketing wrapping on it. "Safety-critical interventions" WTF is that, car trying to kill you and your family and you fighting its bad decisions and for now winning over? The amount they would have to pay me for such alpha-testing to ever drive such vehicle is non-trivial even for tesla.