I don't agree with that statement. The title relates to six figure incomes, which are certainly quite common in all the tech hubs: Seattle, Austin, Denver, San Diego, etc.
You certainly have to be in a major city, and ideally one with large software companies.
I also know directors in other companies in said big cities making only 10k more than that, on-site.
I'd say you can read a lot from the general trends, but there are plenty of cases in either position or negative direction.
There’s tons of money in engineering in the United States, but I would say it has come with a cost. The only reason so much money has been able to be plowed into software and hardware was because of financial products developed by Wall Street since the 1970’s. Obviously we’ve seen great results in software and hardware, but all the recent financial busts have shown there is no free lunch...
Perhaps the biggest example is the 401k, which shifted huge funds towards Wall Street. It’s not fintech, but just an example of a new type of product.
I hope that explains better than my original post.