Lawrence is the home of the University of Kansas, and is only 30 minutes down the road from Topeka. Quite a few opportunities there, including startups. Kansas City is about 40 minutes away down the turnpike with the opportunities of a 2+ million metro area.
No, he's not going to make the sort of money you do in California, but he's not moving to some economic wasteland either. He won't have too much trouble pulling in 50-70,000 in some white collar job and, considering the cost of living, he'll be quite comfortable. Probably more comfortable than a 100k job in SF or LA.
This was an Uber driver... you think Uber drivers are making 100k? You really think an Uber driver is gonna find a 50-70k white collar job in Kansas?
Also, you can't honestly believe that the ONLY jobs in Topeka are "Sales Associate" jobs. Your extensive 10 second google search was probably not all encompassing.
Almost all the jobs I see in Topeka are in retail "Sales Associates" = glorified title for minimum wage jobs. https://www.google.com/search?q=Topeka,+KS+jobs&oq=Topeka,+K...
How does this cabbie intend to make a good wage so he can continue to live in his huge house? Or does he not care, since he bought a HUGE house for $ 95K -- assuming it was all cash. If not, he has a mortgage to pay like everyone else, once a month.