you should fill it up with close friends, then ally guilds of close friends. i see where your coming from, but 25 is good number in my opinion. you just have to be picky. as you should be. you want an active guild of a few close guild not an inactive or even active guild of 100 people you barely know. id still be fine if someone made 1 sub guild in order to fit those extra players. but when you get to 3-5 it gets pretty ridiculous. because honestly you probably dont even need the 50 total.