Don't we have 3 extra days this month regardless? They never shorten other attendance events because of holidays, in fact, they add more attendances and hot weeks around holidays.
I think it's fine the way it is for the price and uses it has. Only reasonable addition I can think of would be for the coupon to increase droprate of quest items specifically (arcane quest ETC, lunar dews, PQ items) to increase sales. Might be abuseable/p2w when it comes to event items though.
Edit: I'll elaborate. Say you're a fresh 200, trying to get through your VJ quests and dailies, but you're not doing damage at all and you have no droprate gear (I've carried quite a few people through their quests because of this). No person in their right mind is going to buy a 4 hour drop coupon every day for their dailies, but they might buy a 10-day quest booster to make the first few days easier before they get their arcane force up. They're still time-gated because it's not giving double symbols, but it does provide extra convenience, which is what most NX items are for, in this case speeding the questing process up.
And people grinding the lunar dew quest would also be more inclined to space it out over a couple of days rather than a full 4 hours in one go. Same for most pre-quests on a new character.
I feel like I saw a different thread about this but now I can't find it so...
With the addition of the guild skill Point Accrual, which we wanted and finally got, you receive reward points every hour you're logged in and get guild contribution.
However this poses a problem once you hit the monthly reward point cap and can no longer "settle" your points in the cash shop. You will then get this popup every hour of every day (most annoyingly during bosses and jumpquests) until the month resets.
It is now the 22nd. I have hit my monthly cap. That means I have more than a week to look forward to this popup. Imagine getting this popup during third phase hard Lucid.
I suggest either getting rid of this cap and stick to the daily 3k before you have to settle RP for the day, or getting rid of the popup dialogue. Put it in the chatbox or as a scrolling yellow text (same as when you redeem points).