This fact was driven home to me recently when dropping my mother off at the airport. For various reasons, my mother us to use wheelchair assistance when flying, and I usually get a "gate pass" to accompany her to the gate. An airline provided wheelchair is pushed by an airline employee whom I usually tip a decent amount every time. The last time she flew, the employee insisted that we had to make a detour, otherwise they would "write him up". Not wishing to make his life hard, we agreed and he brought us to an area where they were trialing robotic wheelchairs. They insisted my mother use the robotic wheelchair and since I was with her an a little curious, we agreed. In the process of tranferring her, I forgot to tip the wheelchair pusher.
The robotic wheelchair was an unconditional disaster. In a busy airport, it stopped every time it detected anyone within 5 feet of it and took 20 min to get where it would have taken less than 5 with the cherry on top being that it stopped and told my mother to get off 3 gates away. Had I not been with her, I'm not sure what she would have done, being too weak to lift her carry-on and walking to the gate.
But thinking about it a bit, I realized that sooner or later, the robotic wheelchair would be improved to the point that it did just as good a job as the human pusher at which point, all the income earned by the humans, all of whom are from the poorer sections of society, would be transferred to the robotic wheelchair company and its shareholders, all of whom are probably in the top 2% wealth-wise.
This transfer of wealth from the poor to the rich seems to be a recurrent theme in tech. Sure new wealth eventually is made, but it seems it's mostly for the top strata, with us techies being paid well enough to prevent us from feeling too many scruples.