Box holders/corporate clients had until Monday to submit a booking form requesting the number of tickets they required. Therefore that is why I believe more tickets have been added as they over predicted demand.
These people put more money in for 1 game than I do for the whole season (home and away), so I can't say I blame the club.
Then the top 3 priority brackets also get tickets which seems pretty fair to me?
Usually a week or 2 weeks before any away game a few spare tickets pop up online, this is also the tickets returned by the players etc as they have a longer period of time to organise/return.