i actually think its a good idea to have giuldwars and in guild revolutions since a guidleader is not immune to insanity or a suuden lnging for beeing almighty.if the guildleader himself acts against the guildrules the council should overthrone him and vote a new leader.
in that case the old leader should be marked as an outcast,maybe through public announcement.
i think regulating the nr of guilds in unnecessary.the market regulates itself^^
as long as it isnt like in other games where you create your char and after 10 min on you have 3 guildinvitations.
guilds should be stable more or less with strict rules of whom to take.also merchants should that are not guildless should not sell to other powerful guilds and at lowprice to smaller guilds to maybe ake them allies and eventually just incorporate them.
just a thought^^