After speaking to six different sources about this, the conclusion I came to was that you could argue they're feasible, but to do so at the scale Musk has suggested would see SpaceX monopolize one of the Earth's most important orbits to the great harm of the planet. www.engadget.com/ai/orbital-a...
If executed at the scale, Musk's orbital data center plan could have devastating effects on the environment and the sustainability of low Earth orbit.
