You can just do a one time log in on all your accounts via the car OS and stay logged in on your phone at the same time.
The rest of the world doesnt have this dependency because they dont communicate via calls and iMessage but via Whatsapp/wechat calls and whatsapp/wechat texts
If anything the high reliance on a tyrannical ecosystem such as Apple underlines the high sensitivity of the public toward corporate cults and the power of advertising over masses. Ridiculing people who have android phones because of the “green text” is a national pastime which has by and large surpassed baseball
which in fairness was already evident in the era of Windows complete dominance over the desktop OS market …but at least the Microsoft ecosystem is free of charge (if you know where to look for it) given that from the early days the philosophy at Redmond is to turn a blind eye on piracy.