> If a 15 year old can do your job as well as you can after a few months of training, it's not a safe job that you can expect anything out of

Yet there is a world of a difference between Walmart jobs and Costco jobs. Unemployment in the US is lower than some countries with better worker's rights.

> If people's regular jobs paid a "living wage", people wouldn't have to Uber, but it's how the world works

No, not the world, mostly just the US. For the rest of the world, the line between employment and unemployment is not so bad that you have people with full-time jobs and still need food stamps. I feel that setup is a covert government subsidy to corporates. But hey, we shouldn't mess with the "job-creaters", right? Or else.