Anonymous participant Immigration does not issue this visa.
Do as you wish, do not ask advice if you do not like answers.
Apply and see what happens , worst case scenario is that another anonymous DTV holder is going to complain that Immigration did not make up his bed and prepared breakfast
Home country, so you have time to arrange travel plans and say goodbye to friends and family.
But if you like a short vacation before working in Thailand, both Indonesia and Vietnam are nice for sight seeing. Not sure if you need a visa to visit these countries as anonymous.