So, you are saying that only because it works, it shouldn't change?
I won't use "stupid"to comment about your opinion, so I'll ionly say that I don't agree.
Look ate the Pros. The currency of Gold = > Cash is high, why? There's too much gold in the game market. Making a player pay gold to keep doing stuff, will take some of the gold out, and things will get cheaper.
Charging a high fee to allow a punished player to join dominion is benefical; while just blocking him from joining, will only be noted by his guildmates.
Also, your last words were also a wrong statement, since you cared enough to reply about it

Education is a very important matter. If he's or your's mothers didn't gave it to you, what can I say, right?