How many issues due large companies run into thinking they can just throw money at it? Just look at google and stadia, or amazon and their failed game studio. They have immense money and knowledge and ended up with nothing.
Each car has dozens to 100+ ecus, written in different languages, by different teams, different requirements, and different companies. Some are proprietary. Ford can’t just tell Bosch, hey your abs module needs to now integrate with our api, multiplied by 100+ companies. The legacy car makers need to revisit everything, and move most of it in-house.
At the same time, we've had car companies putting out cars for 20 years with 10s of different modules built by different companies and things have been working just fine. Suddenly it's a problem because apparently everyone needs a giant screen on the dashboard?
Each car has dozens to 100+ ecus, written in different languages, by different teams, different requirements, and different companies. Some are proprietary. Ford can’t just tell Bosch, hey your abs module needs to now integrate with our api, multiplied by 100+ companies. The legacy car makers need to revisit everything, and move most of it in-house.