I'm actually in the building construction industry and CAD generated 2D vector documentation is still the standard go-to for workshop and design drawings. Especially when it comes to contractors as-installed drawings. Some work had moved to 3D BIM modeling but often you'll still end up with 2D for a multitude of reasons and unless something drastically changes I don't see 2D work disappearing any time soon. Specifically because you can "show for calarity" in 2D more flexibly than with any 3D system because you are not modeling a space, you are documenting it.

You "could" generate 3D objects to use in a traditional CAD package but most of the time that would be overkill and just make your drawing, at best and un-editable and at worst a performance nightmare.