Norway, Sweden and Denmark are kinda alike. I mean, we even share our channel together. Even so, we're participating as 3 different teams altogether. That makes it amusing Germany has to get players from somewhere else, France can take players Belgium etc.
It's not like this rule applies anywhere else, and small countries kinda has to deal with it anyhow...
My point is, I think the rule where smaller countries can join together, or players can suddenly participate for a neighbouring country is too kind.