The current state of things, "aborted half-way", is a consequence of social engineering that failed to take into account the possibility that its preferred endgame may not be attractive and that in democracies, going behind the back of the voters can only get you so far.
The integration of the EU basically stopped once it became impossible to hide preparation of new treaties and legislation from the voters by distracting people by something else in the media. This is also case of the legislation we are talking about now. Of course the authors of Chat Control 2.0 would prefer to agree to the entire thing in darkness, but the Internet makes it very hard to conceal the plan.