Someone with a 2PM arrival time could line up before someone with a 10:30 arrival time if that staging takes place, so what does a 10:30 arrival time buy you?
The next time, pick something other than the most expensive ship in the fleet. Your Icon fare would likely get you a suite on most other ships in the fleet.
No, apparently the OP thinks that RCI intentionally moved the event to the morning (vs afternoon/night) knowing fewer folks will show up and drink in the morning, not whether alcohol is served at the event.
An IT issue locking the bid is more likely than winning the upgrade. Cancelling should be available at any time the status is "Submitted". It may not be cancelled if the status changes to "Pending".