He was never going to go Mars. The first trips to Mars will be extremely dangerous - think the early Viking settlements of North America (they all died). There will of course be far more systematic prep for mars, but the the environment is also far far more hostile. These oligarchs like themselves too much to take risks like that with their lives, or work that hard under constant peril .
It has about the same capabilities as a normal phone , is better in a a few niche uses, but is much more fragile and costs double. What, are you not sold?