Because then they would have to code the drafts in each Region to become that NT. Admittedly, you would have to write similar code for double-flags, which as I said I am against if people will concede their national flags.
And the biggest reason for me is to create parity for the NT competitions as league competitiveness increases with merged leagues. Players from Jamaica and Luxumburg and South Africa would be able to contribute to NTs that have a competitive chance at more than 1-3 wins a season and moral victories.
I have 1757 players for sale and I'm $25,835,360 in debt. Buy them at outrageous prices, or be selfish and make me go bankrupt. You decide, BB.