The moral justification is that I am a citizen, and can demand the laws I want. When enough people think like me, we can actually make it a law. By holding the smartphone OS oligopoly these companies hold a lot of power on the people. I do not like that. Hence I like laws that try to change that.

> especially as engineers who make their living by creating intellectual property and probably wouldn’t want to see control of it seized randomly

If these people try to use their intellectual property to control my device and hence my ability to do things, I want to have a say what they do. Yes, that is what software is: directions to machines. I own the machine, hence I want a say what it does. You are free to keep your intellectual property for yourself, if you want to.