Please note the correction. Subscribers have been paying more since this game has gone f2p so that silver players can play free, subscribers have gone without sufficient compensation for this change and the game needs to take care of its long term player base, and give silver members incentive to be subscribers.
Why ? They already got your money, they want mine now. Them giving you a big wet kiss isn't necessarily going to make me want to join your side, but them giving me a big smooch may.