I'd like to hear the reasoning for this change


I assume this is because aglaia is a popular leveling instance for levels 90-100, but... Why do you consider that a problem?

In the notes right before that, it says the bonus experience points for the alliance duty roulette has been increased, but that's only once a day. Why was it decided to take this option away from players? If it's stressing the instance servers in some way, I could understand, but if it was just taken away because players were engaging with the game in a way you didn't like, then I think you should reconsider your decision making process