Hourly contract is just like renting the car and the driver. Hourly contract has no transparency. Whether someone understands what the developer does, is not of relevance. Humans and businesses want control, transparency and dynamic developer environment. Something like a start-up with no clue on what they want to do, but would like to develop software for their business as the developer "types out the code". They travel from Point A to Point B with one developer and can go to Point C with another developer. Hailing a developer to do something is a good way to figure out things at lower cost. I do not think, till now, remote software development allows "hailing" a developer.

Uber-ification of software development. This trend should catch on...IMHO.