Tesla cars are already connected through 4G/5G (when there's coverage) and they also store video feed in their memory, which they upload when the car connects to Wifi.
Starlink is an easy way to make oodles of money, which they can redirect toward getting to Mars.
They can launch their satellites at cost (or less, if they sell ride sharing). No other telecom can do that. And their customer cost is already fraction of everyone else's.
Add to that their mass-production optimized satellites, and no one else can even touch them. There is a very good chance that Starlink will achieve its goal of printing money.
Update 6 pm EST: Although a SpaceX filing said that Starlink terminals could be deployed "on passenger cars," SpaceX CEO Elon Musk indicated on Twitter today that passenger cars are not in the plan. "Not connecting Tesla cars to Starlink, as our terminal is much too big. This is for aircraft, ships, large trucks & RVs," he wrote.
Everything above 25 degrees needs to be clear. With even more satellites, it may start to tolerate individual tree-size obstacles, but right now the requirements are harsh.
The dish consumes about 100 Watts when in use.
I just miss the days before screens