You're not going to get around the 5-10 computers required for basic 21st century automotive safety. But, the rest of what you are describing is the status-quo

You're not going to get around the 5-10 computers required for basic 21st century automotive safety. But, the rest of what you are describing is the status-quo for quite a few Chinese 'budget' brands. I'm betting once EVs start making their way into fleets, you'll find your 300k mile, low maintenance, minimal electronics American/German brand.