Because e-books are digital, publishers will use the the technology for increased telemetry, control, and ultimately to extract more resources. Much like music

Because e-books are digital, publishers will use the the technology for increased telemetry, control, and ultimately to extract more resources. Much like music or movies, there's not inherent reason why e-books would need to work this way, but the publishers can't help themselves. For the average consumer, the solution seems obvious. Pay for physical books, and pirate e-books.