Normally, I am reluctant to write down negative re...

Normally, I am reluctant to write down negative recessions, but in this case it seems to me urgent to identify the potential for improvement.
Started on arrival: unfortunately our room was still not available at 15:00, which is unacceptable for a room rate of EUR 484.- per night. At my request, to show us in the meantime, the hotel could not be received, since there is simply too little staff available. Accordingly, the cleaning service had to be "flown" through the room, otherwise the hair left on the washstand could not be explained. The friendly apology of the hotel management helps very little - other room there was none, as you were booked up to the top.
The rooms are generally on the "compact side" to classify, although high-quality furnishings, but a color refreshment in some places on the walls would be necessary. You can still look over it, but the green drywall plate under the vanity (if you are in the bathtub) will catch your eye. Tip: there should either better tiled in room 411 or a cover over it ...
The visit of the in-house spa is there a positive appreciation. Unfortunately I find it then for a Park Hyatt with five stars (according to Austrian hotel association ...) as unacceptable if at the spa reception no German spoken. We are still in Vienna! Here it would have become interesting how the employee should explain a spa treatment to someone (or wants to sell) if one does not speak German and the other does not speak English.
Also a special highlight of our stay was the breakfast: there are wobbly tables in every hotel, but then you can help yourself with the menu card (if there is no service staff in the Park Hyatt). The ambience (the former large box office) is beautiful, the arrangement of the buffet also succeeded. Less enjoyable was that we were allowed to have breakfast on the first morning at the attached bar, as the breakfast room was completely full. Accordingly, the attention of the service staff was poor - but they have done their best in this rush.
Mind you, we are still in a five-star house chain "Park Hyatt" for a bargain price of EUR 484.- per night.
This "controlled chaos" runs through the whole day until evening in the cigar lounge. Here we would still like to have consumed more (if only the service would have come). On self-service, I did not want to change because of respect reasons. More recommendable is already the "black camel" vis-a-vis from the hotel.