I'm interested in where this data is sourced: "only 21% of people will buy a car without carplay". I find that really hard to believe even if the survey was isolated to SF.
I realize I will not be able to buy a car with no screens due to the backup camera rules. But there is actual safety value in that for me so I’m ok with it.
For example, I wouldn't buy a new car without android auto, because cars with it are readily available and hardly cost anything extra.
But if I had say $6k to spend on a used car instead of $20k+ on a new car? Your options are much more limited and the tradeoffs unpalatable. I know I can still put a phone holder in any vehicle and I'm off to the races.