Despite having 7000+ rooms, the wait for check-in ...

Despite having 7000+ rooms, the wait for check-in was short as there were plenty of self check-in kiosks. However the kiosks were poorly designed physically and system wise. The tilt was poor causing difficulties viewing the display, and the functions were unintuitive and unresponsive.
The rooms offered were on the first floor. It lacked some privacy, had no view but gained convenience and saved waiting time for lifts.
The lobby was horribly crowded and poorly managed.
The room was reasonable in size, except for the toilets which were cramped and lacking in amenities. Do bring your own dental kit as they are not provided. Room slippers too, if you fancy them.
The rooms were clean enough.
Options for ventilations were either the windows or the ceiling fan. The fan was strong, but a little too strong for the weather.
The bed and pillows were a little too firm - this is subjective though.
Water bottles not provided for but hot and cold water dispenser was available by the corridor - impressive.