I doubt your average phone screen would be happy being left in 80+ °C for prolonged periods of time. Automotive grade exists for a reason, as Tesla[1] found out the hard way.
That’s not an excuse for shitty experience, that’s materials cost/part performance justification. Think first-gen iPhone: by now it’s worse in performance compared to better infotainment, but infotainment still sucks.
[1]: https://www.thedrive.com/tech/27989/teslas-screen-saga-shows...