[u320]

NATO doesn't have "revenue". It has a little to run offices and stuff but it is tiny. The big gain from NATO's perspective is another member and its military capacity, and the terrority. Which is a huge thing, just look at a map.

[u320]

An anecdote about the maps: When Swedish diplomats were meeting with members of congress before the vote to convince them to admit Sweden they just brought a map. Literally just "here is a map of the baltic sea, this is why you should let us in". And it worked.