Sounds like 'cheap' is the key word here.
I'm a Braves fan (though my interest has definitely waned over the years, for MLB in general). So I can talk sh*t. But it sure seems like they love to stronghold cities into building stadiums and things of that nature, and what I see described in this thread is more evidence of this. I hear the Dominicans aren't subject to the draft, and can be signed much cheaper, so that makes sense too.
I must say, though, it works. Not quite moneyball, but similar, just cutthroat finances.
I personally wish they took more pride in the cities in which they reside, MiLB included. But it's hard to argue, because fandom is off the charts right now.