> the biggest plausible consequence would be forcing Tesla to push an over-the-air update with better driver attention monitoring or alerting.

I see no basis for this conclusion, which appears to be pure speculation about what NHTSA might decide is necessary and sufficient to address the potential problems if confirmed by the deeper analysis. I encourage reading the actual report.

> I encourage reading the actual report.

I did, and the conclusion do which you appeal to it does not appear to be well-supported by it.