Neither did Amazon for many years. They are scaling up.
But after that, they turned a profit almost every quarters, generally very small compared to their revenue, but a profit, and when they lost money, it was also quite small compared to their revenue (apart from 2 isolated quarters in 2012 and 2014).
Basically, apart from it first 2 or 3 years, and some isolated losses, Amazon was, for most of its existence, targeting a slightly above 0% net margin, and succeeded at it, proving it was self-sustainable.
It's not the same as Tesla which is consistently losing around 10 to 20% of its revenue for nearly the past 10 years.
Amazon had losses for 5 years in the beginning of their existence, and then showed profit
I'm struggling to think of any individual car manufacturer that has driven other manufacturers out of the market. The market doesn't really work in a way, capital requirements are too high, lead times too long, to make that possible. Its still reasonable for them to forgo short term profits, just not quite to the same extent as the winner takes all nature of the internet.