If it's like their self driving cars it will walk off a cliff or into an eighteen wheeler.
Exactly this. It'll be a slick paint job and LED light show without substance or practical application.
And when it obviously sucks, they'll say "It's just the first step on the way to The Future!" Which will technically be true since the future is one of useless gimmicks and empty promises, dressed up flashy, which make rich people richer and do nothing for anyone else.