Many work and live in other countries than their home country. Some countries process the DTV much quicker than their own. In Taipei, I met some who flew all the way from America as Taipei approved within 8 hours.
There are some posts from Tokyo Workcation applicants given 6mths. Japanese applicants not just visitors. One went to Cambodia to get approved after METV ended.
Where did you apply? Some embassies require the business registration of the companies you work for along with a letter giving you permission to work remotely I'm Thailand.