actually no, he needs to assign 75 people the winning coins, 30 guilds the guild bonus and reset the ladder, that takes more than just 5 minutes
Yeah reward can come the weekend its not a problem always week end you have a little free time and people can wait.
regardless of that, Shane decide when the season is over, it might be 4weeks or 8 weeks or 12 weeks if he wants that ;) just wait