A DTV is a DTV. Only how it is obtained differs. Soft power route is the easiest in terms of documentation. There are no entry requirements when re-entering the Kingdom on a DTV. There is no difference in your tax situation between the different routes to obtaining the DTV.
so all those people lined up at Immigration every morning to register their new addresses are there for what? The people paying the TM30 fine so that they can use an Immigration service are just a figment of the imagination?
incorrect, that not how Tax residency works. Inside the Kingdom for 180 days within a calendar year and you are a tax resident, regardless of how many times you exit.