Quite easily as was stated by the club. If they'd been notified by southern that insufficient time was available to transport those queuing and the rush to get on trains would have caused safety issues then they would have requested the kick off be delayed.
The issue here is southern not...
Pretty sure that's not what they said at all.
Before 728 they were told by southern it'd be ok on Friday when they were considering delaying kick off. They can only delay due to safety concerns. That's the leagues rules