Touch screens are cheap and allow for post-release UI modifications.
Oh, come on. It's a laptop panel. It's not "smart", it's just the same display/touchscreen component you can find for $150 on Alibaba or whatever.
But hey, good luck sourcing your parts for serial car manufacture, or anything even remotely serious in a commercial environment, from Alibaba... What's your alternate source of choice, Wish or Temu?