Yep - it may be that a lot of this gets "fixed" by different scheduling of sales windows opening.I think it may help if each game, car parking didn't go on sale at the same date/time. I was in the queue for Spurs and Wolves car parking and I suspect that some were in the queue for Spurs and Wolves tickets as they were on sale for A+ from 9am too. So not only were people queuing for West Ham Away tickets but for those too.
But, as above, none of us have sight of what technical options are within the club's direct control.