We'll always need safety rails, I think the thing you're missing in most of the arguments you're seeing here is that people want ways over or around those safety rails, and that those safety rails do not need to be as strict as they're becoming. That is not the case currently and that is definitely not the direction AOSP or iOS are interested in going.

Also, just for the record, comparing the modern era of computing to the limewire era is bananas.