All countries can cancel a visa if it's misused. This is a tourist visa. Eg UK 5 year multi entry allows 6 month visits back to back. But if you are caught using the visa to live innthe UK, you will be deported. Self entitled people like you will get the visa canceled.
Probably when the evidence emerges that it's not attracting high net worth, high spending digital nomads, but instead is attracting cheapskates with made up jobs and financial reserves, evidenced by the many questions on this group of individuals trying to game the process or commit outright fraud.
A DTV is a tourist visa, not a residency visa. Let's see how many of these 5 year visas get canceled after 3 years when someone has spent 1080 days out of 1095 living in Thailand on a tourist bia with a fake dental appointment.
One of those cheap tickets sites like Kayak sell. I never touch them because I always have checked luggage. Brassic holiday at £16 a day, or you already paid for accomodation. If you had luggage, you would need to go out of airside, and "into Dubai", but you don't need to.