In recent years, some automakers in the passenger car segment have been made to walk back brave claims of functioning autonomy by as early as 2019. A reality check on the sheer challenge of self-driving has even brought the idea of fully-fledged, SAE Level 5 autonomy into doubt: “Level 5 means you can drive from San Francisco to Santiago, Chile, any time of the year, just press a button,” said Waymo Chief Executive John Krafcik in June 2019. “This is probably never going to happen. Humans don’t even do this.”…