The objective system is there in testing and the idea is that apart from giving you xp and coins it also guides you through tools and machines progression - whether this system will end up taking this shape or another is a different matter. At the moment I’m only referring to a fact that already designed parts of tutorial-through-objectives aren’t timed well.
I would love to just freely explore and build the way I used to in live version, but I decided I’ll do my best to help testing new features and give whatever feedback my little brain can muster. 
I do agree with you to a degree and you can check out this thread if you haven’t yet as the point you made have been more or less repeated there: Progression system