it would be nice for a world builder I heard they may have been developing but I haven't heard of anything for a while
Unfortunately they already have a route builder made already they just haven't released it do to DTG would loose money on their Route DLC's given now players would be able to build there own routes.the route builder was streamed a year and 4 months ago on discord theres a video on youtube of it
While it's true that the editor hasn't been released yet, that reason you give is more like a conspiracy theory. Maybe it's true, maybe it isn't.