Copenhagen Card

For a set price and set amount of time (24 to 120 hours), the Copenhagen Card gives you admission to dozens of museums and attractions, and free public transportation within the city, including to and from the airport. (For details:
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The decision to purchase Copenhagen Cards was not a rash decision. My sister and I decided to purchase 72 hour cards after much thought, calculating that it would be convenient and mathematically logical, due to the length of time we would be staying in Copenhagen, the attractions we wanted to see were included with the card (we added up their individual costs), and factoring in the cost of transit.
Thus we purchased the cards, rightfully expecting to use them for our transportation to and from the airport. We also did our research and made sure that we would be able to pick up our cards at the airport (we had pre-​paid for the cards), and that the kiosk that sold the cards would be open at the time we arrived at the airport. Yes, we put in a ridiculous amount of thought into this purchase, but we wanted to make sure it was worth the price. (The price of the Stockholm Card, for example, wasn’t to our advantage based on various factors.)
So we arrived at the airport, and the first thing we did was go to the kiosk with our vouchers, to pick up the cards that we had paid for. First of all, the woman at the kiosk was rude, and she said that they were out of the cards, and that we would have to pick them up the next day at the visitor center. Now, this would not have been a huge problem, just a minor inconvenience, except that we purchased the cards because we could use it to pay for our transportation to and from the airport. Not being able to use it for transportation from the airport meant that we had paid for something we could not use, which, in my opinion, is a scam.
We questioned the rude woman about why they did not have cards, and she rudely and reluctantly said it was something about them being out of the old cards, and that the new cards do not come out until the next day, which was April 1^st.*
I understand that things happen, but it is UNACCEPTABLE to not have cards, as promised, simply because you «ran out». Seriously. Just because it was our unfortunate luck to arrive on March 31* at 6pm does not mean we should be penalized. Copenhagen Cards are popular items (I assume), and travellers arrive on all days and at all times. We carefully made sure that the kiosk would be open on the day and time we arrived, and we had PRE-​PAID for them.
So we went to the train/​metro ticket booth, and explained our situation to the ticket seller. She thought it was ridiculous that we were denied the Copenhagen Card, and she was very kind and made a note on our vouchers saying that we could use transit as of immediately, even though we did not have the physical card.
The fiasco with the cards was our very first experience in Copenhagen, and if it weren’t for the understanding and kind ticket seller, we would have had a much worse experience. But our initial denial of the cards left a very poor impression of the city and the Copenhagen Card company. Get your act together and ensure that the cards are available, especially if people have pre-​paid for them.
I think the card is a good value, depending on length of stay in the city and whether or not the attractions you want to see are included, but the organization and the whole process of acquiring the card was awful, and for that reason, I caution anyone thinking of purchasing it. Especially if you’ll be arriving at fiscal year end, when they switch over to the new cards.
*I note the date, because the cards the we finally received on April 1, 2015, had an «expiry» date of March 31, 2016. So I believe that a new set of cards are issued April 1 with an «expiry» date of March 31 the following year, which doesn’t even make sense since you are required to note the date and time you activate it, so why the «expiry» date?!